—Guess what? I have got A for my term paper.—Great!You _______ read widely and put a lot of work into it.
#87247
A
must have
B
should
C
must
D
should have
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The weather turned out to be fine yesterday. I          the trouble to carry my umbrella.
#86907
A
needn’t take
B
couldn’t take
C
needn’t have taken
D
couldn’t have taken
We        the opportunity to go to France, had it not been for Mary’s help.
#87597
A
would have lost
B
should lose
C
might lose
D
must have lost
No matter how the enemy frightened him ,he ______say a word .
#89836
A
did not
B
could not
C
might not
D
would not