By this time tomorrow, perhaps I ______ reading the book.
A. will finish
B. will have been finished
C. will have finished
D. have been finished
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______ help me, I had to do it all alone.
A. There is no one to
B. There being no one to
C. Being no one
D. With no one
I suppose you are not serious, ______
A. do I
B. don"t you
C. are you
D. aren"t you
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
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