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
It's the library! So you_______ make any noise here.
#74892
A
mustn't
B
won't
C
need
D
may
Harry is feeling uncomfortable. He _______too much at the party last night.
#62873
A
could drink
B
should drink
C
would have drunk
D
must have drunk
You _______ call him if you want to, but you _______, for he’ll surely come here soon. 
#62741
A
may; mustn’t
B
can; needn’t
C
have to; needn’t
D
can; doesn’t need