— Who _____ be phoning us at this time of night? — It might be your sister. 
#63064
A
might
B
can
C
dare
D
must
推荐题目
Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.
#63228
A
shouldn’t eat
B
mustn’t have eaten
C
shouldn’t have eaten
D
mustn’t eat
I am not feeling myself today! We ____ have drunk that much beer last night. 
#62707
A
mustn’t
B
couldn’t
C
needn’t
D
shouldn’t
---I have sore eyes.  ---You _____ play computer games too long.
#74085
A
must
B
shouldn’t
C
had better
D
don’t
This book _______ Lucy’s . Look! Her name is on the book cover(封面).
#77222
A
must be
B
may be
C
can’t be
D
mustn’t be