2 . One girl is being praised for a letter of apology she wrote to the rangers (园林管理员) at the National Parks Service (NPS). She reportedly _________ a rock home. In expressing her _________, the girl also returned the rock to the park. Later the NPS shared the letter on their Facebook page.

“Dear Park Ranger, I _________ like Tom Branch Falls,” the girl, named Karina, began her letter. “I love it so much that I _________ to take a souvenir home.”

“So I took a rock. I’m _________, and I want to return it,” she said. The heartfelt letter _________ with a postscript (附言) of “also look at the back”—where the girl _________ a picture of Tom Branch Falls. _________ for Karina, the park rangers were _________ by her sincere apology and even __________ back.

“Dear Karina, thank you for returning the rock! It has made its way back to Tom Branch Falls. If every __________ took a rock home, that would __________ 11 million rocks would be gone from the park every year,” the park officials wrote in their Facebook post.

“Now that you know to leave __________ the way you find it, we hope you will help share this __________ with others,” the officials wrote. “It is always a __________ thing to give others the chance to discover something meaningful!”

3 . The Great Wall of China has a long _________ of more than two thousand years. It walks from the east to the west in _________ China. It is about 6,000 kilometers _________ . We Chinese people _________it “Ten Thousand Li Great Wall”.

The Great Wall is about seven _________ high. In many places _________ is wide enough for ten men to walk side by side along the top. _________ can run along the top, too. Along the Great Wall there are tall and strong watchtowers (烽火台). People _________ the Great Wall with stones and bricks (砖块). There are big stones on _________ sides and on the top.

It is not easy to build such a great wall over the ______________ and down the valleys (山谷). When you look at the Great Wall, you will be ______________ at it. The Chinese people built it ______________ any machines. They did all the work with ______________ . They carried the earth in baskets and pulled the stones with ropes. They worked in wild places. So it was ______________ to give them enough clothes to wear. Thousands of people died of the hard work and hunger.

Every year thousands and thousands of people come to ______________ the Great Wall from all over the world. It is a monument to the great Chinese people.