Most of the big hotels in Shanghai were full last week, But finally we ______find a room in a small one.
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A
ought to
B
could
C
were able to
D
might
推荐题目
 Tony ________ full marks, but he was so careless as to make a spelling mistake.
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A
could have gained
B
can have gained
C
must have gained
D
must gain
Without electricity human life __________ quite different today. 
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A
is
B
will be
C
would have been
D
would be