——You didn’t wait for Mr. Black last night, did you?——No, but we ____. He didn’t return home at all.
#89422
A
couldn’t have
B
needn’t have
C
didn’t need to
D
should wait have
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It has been announced that passengers ____ remain in their seats until the dangerous subjects have been removed.
#90050
A
can
B
will
C
may
D
shall
The boy the first prize, but he was so careless as to make a foolish mistake.
#87720
A
must have gained
B
need have gained
C
could have gained
D
shall have gained
When he was in that city, he _____ go to that park once a week.
#88097
A
would
B
used to
C
might
D
should
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#90507
A
should
B
must
C
wouldn’t
D
can’t