You look so tired. You _________ have stayed up again.
#87967
A
should
B
can
C
may
D
must
推荐题目
—My goodness! The accident might not have happened if we had done it more carefully.—But we .
#87618
A
haven’t
B
wouldn’t
C
hadn’t
D
didn’t
He ___ at the meeting this morning.He was in hospital at the time.
#89025
A
couldn’t have spoken
B
mustn’t have spoken
C
shouldn't have spoken
D
needn’t have spoken
Look at the mess the boys made! You _______ have taught them how to behave themselves.
#87866
A
must
B
may
C
can
D
should
It is proposed that another meeting _______ to discuss how to give more support to the underdeveloped area.
#88299
A
be held
B
have been held
C
was held
D
will be held
Miss Pei is on time for everything. How ______ it be ______ she was late for the opening ceremony?
#88002
A
must; where
B
can; that
C
should; when
D
might; if