用括號內所給動詞的適當形式填空。

1．Mr．Wang        (teach) maths in the school a few years ago．

2．Keep quiet，please．The scientist        (give)a talk to the students of Grade Three in the meeting—room．

3．Her younger brother is too young        (go)to school

4．Mrs．Black stopped         (buy)some vegetables on his way home．

5．You shouldn’t play computer games until you finish         (write)your composition．

6．Lisa with her classmates          (have)to study for the math test．

7．一Could you please         (take)out the trash?

一No problem !

8．Mr．Brown often makes his son         (help)him           (clean)his car．

9．I live in a town        (call) Qufu．

10．I saw an old man         (walk)over just now．

一Could you please go to the movies with me?

一__________．I have to do my homework．

　 A．Yes，sure　 B．sorry，I can't　 C．No，you can't　 D．Not

一Could you please go to the movies with me?

一          ．I have to do my homework．

A Yes．sure                 B．Sorry, I can’t

C．No，you can’t            D．OK, please