1.I don't know _____ he will be back home.A.who 　B.what 　C.when 　D.where 2.Coul1.I don't know _____ he will be back home.A.who 　B.what 　C.when 　D.where2.Could you tell me ___________?A.where do you live 　　　　B.who you are waiting forC.who were you waiting for D.where you live in3.Do you still remember _______?A.that he said 　B.what he said 　C.did he say that 　D.what did he say4.I can't understand ______the boy alone.A.why she left 　B.why did she leave

1.I don't know _____ he will be back home.A.who 　B.what 　C.when 　D.where 2.Coul
1.I don't know _____ he will be back home.
A.who 　B.what 　C.when 　D.where
2.Could you tell me ___________?
A.where do you live 　　　　B.who you are waiting for
C.who were you waiting for D.where you live in
3.Do you still remember _______?
A.that he said 　B.what he said 　C.did he say that 　D.what did he say
4.I can't understand ______the boy alone.
A.why she left 　B.why did she leave 　C.why she had left　 D.why had she left
5.She told me the sun ______ in the east.
A.rise 　B.rose 　C.rises 　D.had risen
6.They tried to find out ______ the new train ________.
A.how far/ had gone 　B.how long/ has gone
C.how far/ went 　　　D.how far had/ run
7.The manager came up to see __________.
A.what was the matter 　B.what the matter was
C.what the matter is D.what's the matter
8.Can you tell me ___________?
A.where are you doing B.where do you study
C.where you were doing D.where yu study
9.I can't understand _______ the boy alone.
A.why she let B.why did she leave C.why had she left D.why she had left
10.He asked his father _______.
A.where it happens B.where did it happen
C.how it happened D.how did it happen
11.No one tells us______,so we need your help.
A.how we should do B.what should we do
C.how to do it D.what to do it
12.Could you please teach me _______ the computer.
A.how check B.to check C.how to check D.to how checking
13._______ he'll come or not isn't important.
A.Why B.If C.Whether D.What
14.Would you like to know _______they will do it or not.
A.if B.that C.whether D.why
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
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
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
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
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
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