On AIDS Day, President Hu Jintao demanded that the problems _________ paid special attention to.
#87359
A
referred to being
B
referred to be
C
refer to being
D
refer to be
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It was so nice of you to come to our aid. I don’t think we ______ it without you.   
#86416
A
can manage
B
could have managed
C
must have managed
D
could manage
He must have attended the meeting yesterday,___________  he?
#88232
A
didn’t
B
mustn’t
C
needn’t
D
hasn’t
What a pity! Considering his ability and experience, he ____ better.
#87929
A
need have done
B
must have done
C
can have done
D
might have done