4.　　　 There are fifty students in our class. (对划线部分提问)

________ ________ students are there in your class?

3. 　The library is behind the teaching building. (对划线部分提问)

_______ _______ the library?

2.　　　 I like playing football. (改为否定句)

I _______ ________ playing football.

1.　　　 She can speak English.(改为否定句)

She _______ __________ English.

10.　 Can you ________(骑) a bike？

9.　　　 Mr. Smith is in the ________(办公室).

8.　　　 They’re Betty’s ________(父母亲).

7.　　　 Daming’s father is a factory _______(经理).

6.　　　 She is ______(20) years old.

5.　　　 They _____(be) students.

B.　　　 根据中文写单词.