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
推荐题目
I didn’t see her in the meeting room this morning. She _____ at the meeting.
#90209
A
mustn’t have spoken
B
shouldn’t have spoken
C
needn’t have spoken
D
couldn’t have spoken
We would have called a taxi yesterday if Harold ________ us a ride home.
#87035
A
didn’t offer
B
wouldn’t offer
C
hasn’t offered
D
hadn’t offered
But for friction (摩擦力), people ______ neither walk, nor even stand up.
#86752
A
can
B
were able to
C
will be able to
D
could
It was playing computer games that cost the boy plenty of time he ____ doing his lessons.
#89110
A
might have spent
B
ought to have spent
C
must have spent
D
could have spent
There was a lot of fun at yesterday's party.You ________ come，but why didn't you?
#86629
A
must have
B
should
C
need have
D
ought to have