1.What we have seen is different from ___.
    A.we heard
    B.we have heard
    C.what we heard
    D.what we have heard
2.Why is Li Ming so late?I don't know ___.
    A.can what the reason be
    B.what the reason can be
    C.the reason what can be
    D.what can the reason be
3.I couldn't agree with___at the meeting.
    A.that you said
    B.which you said
    C.all what you said
    D.what you said
4.When do you think ___ visit her uncle?
    A.she was going to
    B.she will go to
    C.will she go
    D.will she go to
5.Can't you find out ___ wrong with the machine?
    A.which
    B.that's
    C.what's
    D.where is
6.Who do you think ___ the ticket?
    A.has got
    B.to get
    C.get
    D.getting
7.___you go or stay at home won't make any difference.
    A.If
    B.When
    C.That
    D.Whether
8.Is ___ you told mereally true?
    A.what
    B.which
    C.that
    D.when
9.___ he is, he will be thinking of you.
    A.Wherever
    B.Where
    C.Whether
    D.What
10.When people talked about the cities of the U.S.the first ___
    comes into mind is New York.
   A.city
   B.of them
   C.one
   D.that
11.___ you have done might do harm ___ other people.
   A.That;for
   B.What;to
   C.Whether;on
   D.How;in
12.It's well known ___ the earth moves round the sun.
    A.when
    B.why
    C.what
    D.that
13.___ Peter had won the first place in the 100-meter dash.
    A.He was said that
    B.They were said that
    C.There was said that
    D.It was said that
14.___ the film may be, I have no time to see it.
    A.Although exciting
    B.No matter exciting
    C.Even if excited
    D.However exciting
15.___ he doesn't like them is very clear.
    A.What
    B.That
    C.Which
    D.Where
16.___ the strike will be ended is not known.
    A.When
    B.That
    C.What
    D.Which
17.___ the singer will come or not is still a question.
    A.Whether
    B.If
    C.When
    D.What time
18.___ comes to the party will receive a gift.
    A.Which
    B.Who
    C.Which one
    D.Whoever
19.___is the best singer in your school?
    A.Whom do you think
   B.Do you think who
   C.Do you think whom
   D.Who do you think
20.-- How long did you do these written exercises?
    -- ___.
    A.Until 12 o'clock
    B.Since supper time
    C.Before it struck 12
    D.So long as I stayed up


