You'd better not ride the bicycle on snowy days; you ______ fall．
#62235
A
must
B
might
C
have to
D
ought to
推荐题目
If you have finished most of the work, you ______ start working so early tomorrow.
#77689
A
can’t
B
mustn’t
C
couldn’t
D
needn’t
—Whose schoolbag is this?—It ___________ be Mary’s. It has her name on it.
#77796
A
can
B
may
C
will
D
must
Some young people these days just ________ go out of their homes to contact the real world．
#62820
A
mustn’t
B
won’t
C
mightn’t
D
shouldn’t
— Mum, would you please buy me an MP5 player?— If you can help do some housework the whole vacation，you ____ have one as a reward.
#63446
A
must
B
need
C
would
D
shall