9. -What are you doing?

-I________(mend) the bike.

8. The students________(have) an English class yesterday.

7. ________(be) there any milk in the cup?

6. Jack________(swim) in the river now.

5. Tom usually________(come) to school at seven in the morning.

4. Mrs Black________(not work) in the factory.

3. May I________(borrow) your eraser?

2. What time________your mother________(go) to work every day?

1. Listen!The girl________(sing) in the room.

5. There is a lot of milk in the bottle.

There is________ ________milk in the bottle.

IV. 用括号内所给动词的适当形式填空。(10分)