A hard-working man become a great scientist, but a great scientist be a hard-working man.
#74334
A
can’t; can
B
may not; can
C
can’t; must
D
may not; must
推荐题目
It isn’t going to rain, so you take an umbrella with you.
#75747
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
________ you happen to see Mary, would you please ask her to come here?
#63165
A
Would
B
Could
C
Should
D
Might
In general，she is devoted to her studies，but she________be little naughty at times.
#62476
A
will
B
can
C
should
D
would
—My daughter mastered English in less than two years. —Did she? She________have a gift for languages.
#63334
A
can
B
would
C
should
D
must
It _____ last night., because the ground is all wet
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained