10.The boy is busy _____(write) to his parents.

9．It’s _____(dangerous)to swim in the river than in the swimming pool.

8. He ______(play) the guitar yesterday.

7. We should listen to the teacher_____(care) in class.

6. What would you like ______(have) for lunch?

5. What about ______(swim) this afternoon?

4. Don’t forget _____(turn) off the light.

3．　 Tom and Jim finished _______(do) their homework just now.

2．　 Lucy_____(not visit) her aunt last weekend.

1．　 The family _____(go) to the mountains last weekend.