I suppose you are not serious, ______
A. do I
B. don"t you
C. are you
D. aren"t you
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Only ______ making investigations ______ have the right to speak.
A. before; can we
B. after; we can
C. before; we can
D. after; can we
The old man preferred to stay at home ______ to the concert.
A. than to go
B. to go
C. rather than going
D. rather than go
Mrs. White became a teacher in 1985. She ______ for twenty years by next summer.
A. will teach
B. would have taught
C. has been teaching
D. will have been teaching
I think ______ him to expect anyone to support his idea.
A. it is childish for
B. it childish of
C. childish of
D. it childish for
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