用括号内所给动词的适当形式填空。
1. Listen!The girl________(sing) in the room.
2. What time________your mother________(go) to work every day?
3. May I________(borrow) your eraser?
4. Mrs Black________(not work) in the factory.
5. Tom usually________(come) to school at seven in the morning.
6. Jack________(swim) in the river now.
7. ________(be) there any milk in the cup?
8. The students________(have) an English class yesterday.
9. — What are you doing? — I________(mend) the bike.
10. Sue________(clean) the windows every day.
1. is singing 2. does, go 3. borrow 4. doesn't work 5. comes
6. is swimming 7. Is 8. had 9. am mending 10. cleans