—Oh, my God!Our teacher is so mean!—Calm down, my friend.Even though she is tough  sometimes, she ________ be nice if you really work hard.
#62515
A
must 
B
should
C
can 
D
shall
推荐题目
---- Did you pass the driving test? ---- No. I ______ it, but I had little time practicing.
#63236
A
could have passed
B
must have passed
C
can’t have passed
D
shouldn’t have passed
---Must I finish doing my homework now, Mum?    ---No, you ________.
#74479
A
can’t
B
may not
C
mustn’t
D
needn’t
If you         smoke, please go outside.
#62183
A
can
B
should
C
must
D
may