. Mary _____ be in London because I saw her in town just now.
#88099
A
mustn’t
B
isn’t able to
C
needn’t
D
can’t
推荐题目
You look very tired. You ____ late last night.
#87853
A
needn’t sit up
B
didn’t need to sit up
C
shouldn’t sit up
D
needn’t have sat up
Had I known about this computer program, a huge amount of time and energy________.
#87046
A
would have been saved
B
had been saved
C
will be saved
D
was saved
—Do you think he will do me a favor?—As far as I know，he is the last one to help others.He_______be prepared to give you a hand，though.
#88926
A
must
B
might
C
can
D
should
If you ______ succeed, you will have to work hard.
#87734
A
are about to
B
are going to
C
will
D
are to
Mr. Brown, a good friend of mine, __________ us but that he was short of money at the time.
#89710
A
would help
B
would have helped
C
had helped
D
helped