—Are you going to help him?—Why ___ I help him? He' s never done anything for me．
#63530
A
would
B
could
C
might
D
should
推荐题目
You may get lost easily in big cities like Beijing you have a map or a guide.
#77382
A
unless
B
if
C
when
D
until
The boy insisted that he __________ nothing wrong and that he __________ at once.
#63242
A
did, should be set free
B
should do, must be set free
C
do, should be set free
D
did, must be set free
—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．
#76087
A
mustn’t
B
can’t
C
needn’t
D
won’t
---Must I hand in my homework now?---No,you__.You can hand it in tomorrow.
#74413
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
We were looking for you all this morning. You office without a word.
#62458
A
mustn’t have left
B
shouldn’t have left
C
couldn’t have left
D
needn’t have left