14. __________(Run) is good for our health.

13. I don’t know whether it ____________(rain) tomorrow.

12. I wish you could give up _____________ (smoke).

11. Mary wants _____________ (break) a world record.

10. The man went out of the room without __________ (say) anything.

9. They do the work by ____________ (turn).

8. You can skate on the river. The ice on the river is over 1.5 ______________( meter) thick.

7. Can you guess who jumps _____________ (far) in the world?

6. Whose hair is _____________ (long) in your class?

5. Can you l ________the heavy box?

B．用所给词的正确形式填空(10分)