20. I left my pen on the desk and now it’s gone; who _____ it?

A. took 　 　B. has taken 　　　 　　　C. will take D. had taken

19. You _____ your turn so you’ll have to wait.

A. will miss 　 B. have missed 　　 C. are missing 　　　 D. had missed

18. I _____ for five minutes; why don’t they come?

A. am calling 　　　 　　B. called 　 　　　　　C. was calling　　 D. have been calling

17. It’s good that we _____ to the park because it’s started to rain.

A. don’t go 　 B. hadn’t gone　　 　　 C. didn’t go　　 　　 D. wasn’t going

16. Look at that little boy wandering about - perhaps he _____ his mother.

A. will lose 　 　　B. is losing　　　 　 C. had lost　　　 D. has lost

15. “What’s her name?” “Sorry, I _____.”

A. forget 　　　 B. forgot 　　　 C. had forgotten　　 D. am forgetting

14. You _____ him the news; he knew it already.

A. needn’t tell 　　　　　　 B. needn’t have told　 C. mightn’t tell 　　　　　　　 D. mightn’t have told

13. You _____ practise the drums while the baby is sleeping.

A. needn’t 　　 　　　　　B. mightn’t 　　　　C. mustn’t　　　 　 D. won’t

12. That car nearly hit me; I ______.

A. might be killed 　　　　　　　 B. might have been killed C . may be killed 　　　 D. may been killed

11. “I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.”

A. should ask　 　　 B. should have asked　　 C. must ask 　　　　　 D. must have asked