1 . On September 11, 2001, I was in my fifth grade at Hutchinson Elementary School in New York. During the day, I ____ that something had happened at the Twin Towers. But nobody seemed to really ____ what was going on. It wasn’t until school let out that I realized something might be ____. My dad usually ____ me up, but he wasn’t there. My dad was a firefighter. His ____ was less than a mile from the Twin Towers.

When I got home, my mom told me that the Twin Towers had been attacked, and my dad had gone there to ____. Most of the rest of that day is unclear. I ____only bits and pieces, like my mom calling hospitals all over New York City, ____ to find my dad. Two days later, she told me that he was probably ____.

We didn’t learn exactly what had happened to my father until much later. We ____ that he had sent a radio message at 9:56 am, when he and hundreds of other ____firefighters were in the burning South Tower, trying to ____ as many people as possible. Just three minutes later, the tower ____. The other tower came crashing down about a half hour later.

17 years later, I still ____ my dad every day. He instilled(灌输) in me a ____ for my community, and his ____ encouraged me to volunteer with the 9/11 Legacy Advocates, a group made up of people who ____ family members on 9/11 like me.

When I look back. I don’t think only of the sad ____. I also remember the great acts of so many people, ____ my dad. I’m really ____ to call him my hero.

2 . It's once again been declared the world's most popular museum. ______ . it may not be a______ thing for the Louvre (卢浮宫) in Paris.

The museum broke its own______in 2018, welcoming 10.2 million_____and claiming the top spot in an index of the world's most-visited museums.

But the Louvre's uptick (小幅上升) in visitors is_____ too much for many of its workers, _____ by reception and security staff over the number of tourists______ through its doors have hit opening hours throughout the week.

"The Louvre is suffocating (令人窒的)," the workers union said in a statement. "The public has increased by more than 20% since 2009, but the palace has not grown,"it_____.

The museum was_ ___on Monday and opened later than advertised on Wednesday, due to a ____with the dissatisfied workers. visitors have ______outside the building throughout the week, and those without bookings have been________.

Although tensions with its workers_______ , the museum's bottom line is looking _______.The Louvre broke its 2012 _______record last year, marking a dramatic _______ from a sharp downturn in visits in 2017 that was due to a sudden decrease in_______in Paris.

The social media that are_______about Beyoncé and Jay Z's music_______filmed at the museum may have played into that increase.

But while visitor numbers rose at the Louvre, overall attendance was relatively_______among the top 20 museums in the world last year. Attendance grew among the top 20 by just 0.1% from 2017 to 2018.

3 . A mother and daughter were rescued from the wreckage (残骸) of a car crash thanks to an app. It can ______ people anywhere in the world using just three ______.

Valerie Hawkett, 33, lost ______ of her Ford Fiesta while ______ round a sharp bend in Somerset last October. Ms Hawkett's ______went flying over a bush and landed on its _____     in a field.

Her four-year-old ______   Tegan was in the back and the ______ mother called the police to come to her aid — but she didn't know ______ she was.

Officers were able to find their way to Ms Hawkett in the field--- after ______ her the link to a website called what3words. It is able to find the exact ______ of any location on Earth. It told Ms Hawkett the three-word square she was in —“Weekend foggy earphones” — which _______ policemen to a road near a field on the A36 heading out of Norton St Philip, Somerset.

Ms Hawkett, from Trowbridge, Wiltshire, said: “It was absolutely brilliant. It's really, really _______ . I could have been in that field all day ______ the three-word location.”

Ms Hawkett said her car landed on its side, with the only means of ______being through the back passenger-side door. She said:“The only thing ______ me in my seat was my seat belt. But I _________ to get that undone and get me and my daughter out through the back door. I ______ the police after we got out the car.”

Ms Hawkett and Tegan were taken to a ______ nearby to be checked over — but were told they were ______ injured and sent home shortly afterwards.

4 . Frank was walking down the 6th Street on a hot sunny day when he saw smoke coming out of the street. He could _____ the smoke, and it was getting_____. Seeing the smoke coming out of a storm drain(雨水沟), Frank called the fire department _________. “The storm drain is _____ fire!” he said. The fire department asked for his whereabouts and he said he was near the 6th street. They said they would be right there to investigate the situation. Frank needn't to go anywhere, so he waited for the _____ to arrive. He was curious what could be burning beneath the street. As far as he knew, there wasn't anything beneath the street _____ concrete(混凝土). And everyone knows that concrete doesn't _____.

A fire truck arrived a few ____ later. “Are you the man who _____?” asked the driver. “Yes.” Frank answered. By now Frank could not only smell the _____ but also hear crackling sounds, just like wood burning. The firemen didn't seem to______ it an emergency. “What do you think it could be?” Frank asked the driver. “Oh, we know what it is. We have to ______ a problem like this every few months. It's the homeless people in their ‘______’.”

Homeless people have been living under the streets for years._____ their knowledge of the storm drain system, they ______ their own “houses” beneath the streets. These living areas have tables, mattresses, chairs, and sofas. The settlers often “borrow” electricity by connecting to a live wire above ground to ______ their own lights and even TVs underground. Either this ______ electricity or a cigarette can cause an occasional fire.

Frank watched ______   some firemen lifted a manhole cover (井盖) and went beneath the street with a fire hose (消防软管). Then a few minutes later, the ______ smoke turned white. Shortly afterward, the firemen reappeared with a ______ person who seemed to have just been woken up.