根据句意，用括号内所给单词的适当形式填空。
1. There are a lot of new _________(factory) in our city.
2. Look at the sun. It always shines _________(bright) at this time of year.
3. Look! The people in the river _________(swim)
4. Miss Smith put the new dress on, and looked at _________(she) in the mirror.
5. Liu Zhong is in his _________(three) year at No.1 Middle school.
6. The teacher asked her students _________(not forget) to sweep the floor..
7. I think the dictionary is _________(help) to your study.
8. Don't open your books. Please keep them _________(close)
9. There _________(be) great changes in our country since 1979.
10. If anyone is ill here, the doctor must _________(send) for.
