It’s high time that we students________ harder as the examination is drawing nearer.
#86861
A
work
B
will work
C
worked
D
have to work
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I _____ have written to him because he phoned me shortly afterwards.
#90086
A
ought to
B
must
C
couldn’t
D
needn’t
The chairman requested that ＿＿＿＿＿＿＿＿＿＿＿.
#89880
A
the members studied the problem more carefully
B
the problems were more carefully studied
C
the problems could be studied with more care
D
the members study the problem more carefully
I should not have laughed if I _________ you were serious.
#86761
A
thought
B
would think
C
had thought
D
have thought
Without the happiness Jing brought to the family, my mother _____ for another six years.
#87017
A
shouldn’t have lived
B
wouldn’t have lived
C
wouldn’t live
D
might not live
You did not let me drive. If we ____in turn, you wouldn’t be so tired now.
#86722
A
drive
B
drove
C
were driving
D
had driven