25. – Tom, it's too late. Our son ________ be back.– Don't be anxious. I dare say he ________ have some extra work to do.
#88895
A
can; must
B
will; might
C
should; must
D
must; may
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We suggest that more measures _________ to solve the problem of overpopulation.
#87290
A
will be taken
B
be taken
C
can be taken
D
must be taken
What a pity! Considering his ability and experience,he___ better.
#87930
A
need have done
B
must have done
C
can have done
D
might have done