When Marx was in London, he __ read at the library for hours.
#63038
A
would
B
might
C
could
D
should
推荐题目
–What do you think the noise was? --It ___________ a cat.
#63484
A
may be
B
might be
C
can have been
D
might have been
Charlie ______ be really difficult at times even though he’s a nice person in general.
#63613
A
shall
B
should
C
can
D
must
-There is someone knocking at the door.- It ______ be Jimmy, he has gone to ShangHai .
#75858
A
needn’t
B
mustn’t
C
can’t
D
may not
--Why didn’t you come to Simon’s party last night?---I wanted to, but my mom simply _________ not let me out so late at night.
#62943
A
could
B
might
C
would
D
should
—What do you think we can do for our aged parents?—You ____ do anything except to be with them and be yourself.
#62445
A
oughtn’t to
B
don’t have to
C
mustn’t
D
can’t