---Fifty dollars for such a T-shirt! You _______ be joking!---I’m serious.It’s made of silk.
#75661
A
must
B
need
C
may
D
Can
推荐题目
You _____ in your composition today. You can hand it in tomorrow morning.
#75867
A
need to hand
B
needn’t to hand
C
needn’t hand
D
don’t need hand
The door ________ open, no matter how hard she pushed. 
#62946
A
shouldn’t
B
couldn’t
C
wouldn’t
D
mightn’t