—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
#86419
A
should have done
B
could have done
C
must have done
D
may have done
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If you ______ succeed, you will have to work hard.
#87734
A
are about to
B
are going to
C
will
D
are to
---Mike must have known that.---No, he ________. How _______ he?
#87806
A
mustn’t, must
B
may not, might
C
couldn’t, can
D
needn’t, need
I don''t think it any use taking with him , you ____ as well leave him alone .
#89769
A
might
B
must
C
can
D
could
The doctor said I was over-weight. If only I _____ less!
#89982
A
ate
B
have been eating
C
have eaten
D
had eaten
Anirban Maitra, a professor at Oxford University, Jack’s success would not have been possible.
#86891
A
If it weren’t for
B
Were it not for
C
Had it not been for
D
If it hasn’t been for