2. I don't know _______ he still lives here after so many years.

　　 A. whether

　　 B. where

　　 C. what

　　 D. when

1. She asked me if I knew _______.

　　 A. whose pen is it

　　 B. whose pen it was

　　 C. whose pen it is

　　 D. whose pen was it

20.　 I really don’t know if she _______ it when she ________.

A. finds/ arrives　 B. finds/ will arrive　 C. will find/ will arrive　　 D. will find/ arrives

19.　 　I don’t know if he ______tomorrow. If he ________, I’ll meet him.

A. will come/ comes　 B. comes/ comes　 C. will come/ will come　 D. comes/ will come

18.　 --Mike wants to know if ____ a picnic tomorrow.

--Yes. But if it _______, we’ll visit the museum instead.

A. you have/ will rain　　　　　　　　　　　 B. you will have/ will rain

C. you will have/ rains　　　　　　　　　　　 D. will you have/ rains

17.　 -- Could you tell me ______?　　 -- Yes. He ____ to the USA.

A. where is he/ has been　　　　　　　　　　 B. where he is/ has gone

C. where was he/ has been　　　　　　　　 D. where he was/ has gone

16.　 Our homework has changed a lot. Who can tell _____ it would be like in _____ five years.

A. how, another　　　 B. what, more　　　　 C. how , other　　　　 D. what, another

15.　 – Where do you think _____ he ____ the TV set?　 -- Sorry, I’ve no idea.

A./, bought　　　　 B. has, bought　　　　 C. did, buy　　　　　 D. did bought

14.　 Would you like to know _______they will do it or not.

A. if　　　　　　　　 B. that　　　　　　 C. whether　　　　　　 D. why

13.　 _______ he’ll come or not isn’t important.

A. Why　　　　 B. If　　　　 C. Whether　　　　 D. What