21. 咱们俩合用这间卧室好吗?

Will you please ________ the bedroom ________me?

20. a. Get up quickly, and you can catch the early bus.

b. ________ you ________ ________ ________ quickly, you will miss the early bus.

19. a. I don't think learning French is useful.

b. I think learning French ________ ________.

18. a. I like playing volleyball best.

b. Volleyball is ________ ________ ________.

17. a. Kate looks like her father.

b. Kate and her father ________ ________ ________.

16. a. Why not go there by bike?

b.________ ________ ________ there by bike?

15. I heard them ________(sing) the popular song in the next room.

14. Many soldiers ________ (lose) their lives in that battle (战役).

13. What ________ he (do) next Sunday?

12. How far ________ John ________(live) from his school?