1. My hometown _________ (change) a lot since I was 8 years old.
2. Noise pollution _________ (be) also a big problem now.
3. They will go _________ (boat) tomorrow.
4. Ben ________ (clap) his hands while the performers were marching across the park.
5. I saw Lily ________ (fly) the kite in the park at 10 this morning.
6. It's highly possible that I'll go fishing instead of ________ (swim).
7. You use this set of keys for _________ (type).
8. I ________ (tell) that there would be a meeting the next week.
9. Miss Gao said that the Red Cross ________ (start) in 1863.
10. It is necessary for you _________ (walk) the dog in the park once a day.

1. Jim is often seen to be made             __    (stay)behind after schoo1.
2. It was raining hard when he_____ (arrive)home.
3. Because I            ____ (lose)my bicycle,I have to walk to school.
4. The singer,together with her family,           ____  (1eave)Paris for Hong Kong soon,isn't she?
5. She won't go to the cinema if she             _____ (not finish)the work tomorrow.
6. It's not a good way to educate children by_____ (punish)them.
7. I saw Lily ____(fly) the kite in the park at 10 this morning.
8. —Are you going to Terry's birthday party?
    —Yes, I will if I          ____(invite).
9. Miss Gao said that the Red Cross  ____(start) in 1863.
10. It is necessary for you            _____(walk) the dog in the park once a day.