2 . Malaysia Airlines(马航) flight MH370 disappeared from radar(雷达) screens an hour after it   _________ on March 8 . It has _________ for more than 2 years.

The plane may fall into the sea. China, Malaysia and many other countries have joined to search for the _________ on the sea. The relatives of the 227 passengers and 12 crew(机组人员) are _________ good news from them.

How did the accident   _________? It is said that the plane was attacked by the terrorists. Some think there may be something wrong with the plane, and_________think the accident may be _________ by the mistake of the crew. However, it is _________ to tell the reason because the plane hasn’t been found yet.

It may _________ some time to find the missing plane and even more time to get to get to know the truth of what happened. However, we can’t stop __________ what happened to the plane __________ it is found.

Whether the missing plane is found __________ not, the whole world should __________ more attention to the safety of people, especially at airports.

We hope these people on the plane will be __________ , and they can get together with __________ family members.

5 . The Great Wall of China is one of the greatest wonders of the world. With a ________of more than 2, 000 years, some parts of the Great Wall have disappeared. ________, it is still a very popular place of interest.

It is the ________wall ever built. It is about 8 meters high. The top is 8 meters wide and it ________even wider at the bottom. It is made ________stone and brick. People built it by ________and it took a long time to finish.

No one knows ________when the building of the Great Wall was started. It is believed that the wall was built to ________parts of the country in the old days. It also made people live a (n) ________life.

Today, many of the visitors go to see the Great Wall. ________they stand on top of a tower and look down on this wall, they can’t help saying, “Wow, that’s fantastic!”

6 . Maryland’s stay-at-home COVID-19 order has been hard for Ann and Tom Schruben, self-employed workers who live in Kensington. Ann noticed that her husband got ________ easily. He is generally a ________ man and likes to tell jokes.

When Ann ________ a friend in Ohio was posting a daily joke in front of her house, she told Tom he should do the ________ thing. Tom refused. Then, one morning two weeks ago, he picked up a ________ and wrote at the top“BAD DAD JOKES.” He then wrote:

“Hold on — I have something in my shoe! I’m pretty sure it’s a foot.”

He ________the whiteboard in front of his house and waited to ________ if anyone reacted. Nothing. A few hours later, he heard a ________ from outside.

“Once he got his first laugh, it was so ________ to him,” said Ann.

The next day he woke up earlier and wrote his second ________: “Without geometry （几何学），life is pointless.”

________, he heard people laughing as they walked by his home. Many called out to Tom and told him they ________ the jokes.

Tom felt ________. Each morning since, he’s ________ a new joke.

“It made my mood （情绪）better,” Tom said. “I don’t know why. I guess I feel like I’m contributing （增加）a little bit to other people’s________.”

Tom also likes the habit of putting up the joke. “It gives me a reason to ________ in the morning early, ” he said. “It gives me a little ________.”

Mana McNeill, 65, saw a joke as she walked through the neighborhood. “I ________ and read the joke. It was great ________. I had a laugh,” McNeill said.

“Everyone is worried during this special time,” Tom said. “It would be a good idea to take people’s mind off their________ for just a minute.”

8 . Do you know how to study ______ and make your study more effective（有效的）? We all know that Chinese students usually study very hard for long ______.This is very good, ______it doesn’t______a lot, for an effective student must have enough sleep, enough food and enough rest and______.Every day you need to go out for ______walk or visit some friends or some nice places.It’s ______for your ______.

When you return ______your studies, your mind______be refreshed(清醒) and you’ll learn more______study better.Psychologists(心理学家)______that learning takes place this way.Here take English learning______an example.First you make a lot of progress and you feel happy.Then your language study seems______the same.So you will think you’re learning______and you may give______.This can last for days or even weeks, yet you ______give up, and at some point, your language study will again take another big______.You’ll see that you really have been learning all along.If you get enough sleep, food, rest and exercise, studying English can be very effective and ______.Don’t give up along the way.Learn ______you are sure to get a good result.

9 . Once there was a farmer with a wife and two sons. He became quite________through hardworking. He wanted his children to have a(n)________life, so he and his wife did all the work and________made them do anything.

After some time, his wife died and________he didn’t want his children to________, so he did the field labor and all the housework. But as time went on, he became old and________, and started to worry about his________when he died.

So he thought about this for a long time and he________his sons and said, “Look, my inheritance (遗产) to you is a lot of gold. I’ve________all my gold in the fields, so it’s up to you to plough (耕作) them and________the gold.”

And he called his neighbors and said, “I’m going to________and my children don’t know how to________themselves. So please cook for them until they can take care of themselves.”

So the neighbors provided them with________for some time.

Certainly the brothers didn’t want to be robbed of the________so they did the digging themselves. They________one field after another and after they had dug all the fields, they found no gold.

So the brothers sat down and one________the other, “Do you think our father________us?”

But the other brother said, “No, I think our father was saying that the________is a golden profession. And if we dig up all the________we can become rich.”

So like all the other________, they sowed wheat in the fields they had dug and became very rich in the end.

10 . I’m one of the tallest members of my class, always bending at the back of the line to avoid sticking out. I especially ________ to hear people say, “Ruthie! Look how tall you’re getting!” ________ my grandfather would always tell me, “Stand straight and tall,” Later I understood his advice was about more than just ________ .

My grandfather grew up in war-torn Europe. When German soldiers ________ his hometown, the beautiful city of Tarnow, Poland, he fought for his country’s ________. “Stand straight, stand tall,” meant something else back then.

After the ________ , he boarded a boat for America, arriving in Manhattan. All alone in a new country, he was frightened about his ________. Still, he marched head-on into the ________ streets of New York. Soon he met other European immigrants, each of them ________ to find his or her own way. If they could do it, ________couldn’t he? “Stand straight, stand tall,” he would ________ himself.

Thanks to the help of a loyal and trusting friend, my grandfather acquired a ________ store on Canal Street. He once told me how ________ he was on that first day of work. He was not only trying to learn this tough________business, but also a new language.

To his ________, the men in the community offered their help and advice. Within months, my grandfather was ________diamonds and pearls as if he’d been doing it his whole life.

I ________my grandfather more than anyone else in my childhood. And ________I was afraid of something, he would tell me stories of his life. Listening to my grandfather’s remarkable experiences have______the way I view my own life. His advice tells me to be________of who I am.

“Stand straight, stand tall,” my grandfather told me. And I do.