4. My mother  (sweep) the floor half an hour ago.

3. While my aunt  (cook) , my cousin was playing the violin.

2. Look!Some people  (take) photos of the big tree.

V. 根据句意，用括号内所给动词的正确时态填 空。

1. We  (play) football at five 0’clock yesterday afternoon.

10. 1 think we should have some time  (relax) after school.

9. Do you know when Alice will finish  (read) the book?

8. In my opinion,  (do) chores is good for children’s development.

7. Does your father allow you  (work) here?

6. Mr. Black doesn’t let his daughter  (go) out alone at night.

5. This book teaches US how  (care) for animals.