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
推荐题目
---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time
My new pen ______. Who ______ have taken it?
#62850
A
has been disappeared; can
B
has disappeared; could
C
is missing; should
D
has been lost; may
You ______ to the meeting this afternoon if you have something important to do.
#76592
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come
Whether dying patients be helped to end their lives is a tough moral question.
#62244
A
must
B
should
C
might
D
would