The doctors are doing all that they _____, but the old man is still not breathing properly.
#62988
A
shall
B
need
C
may
D
can
推荐题目
（2014年(春)重庆市高三考前冲刺测试卷）7. She _____ be the wisest woman on this planet, for she has lived Up to the three words "seize the moment".
#62184
A
will
B
must
C
shall
D
can
A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working man.
#75893
A
can’t, can
B
may not, can
C
can’t, must
D
may not, must
________ you row a boat at the age of 10? No, but now I ________.
#75228
A
Can；can
B
Can；could
C
Could ；can
D
Could；could
—Is that man Mr Hu?—That ______ be Mr Hu. Because he has gone to Japan with his wife.
#77278
A
could
B
can’t
C
might
D
must
It is beyond my understanding that many adults ________ be so crazy about Harry Potter series.
#62290
A
will
B
can
C
may
D
should