—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
It ___________last night, for the ground is wet outside.
#63212
A
would be raining
B
would have rained
C
must rain
D
must have rained
He ________ your car by mistake because he didn't have the keys. 
#62484
A
mustn't have taken
B
shouldn't have taken
C
couldn't have taken
D
needn't have taken
You ______ to the party if you’re so busy.
#76821
A
don’t need come
B
not need coming
C
needn’t come
D
need not to come
Tigers like to eat _____________, but koalas like to eat____________.
#77202
A
meat , leaf
B
meats , leaf
C
meat , leaves
D
meats, leaves