The light in his office is out. He_________ left for home.
#62358
A
must have
B
must have been
C
should have
D
should have been
推荐题目
----- Must I park my car behind the building?------No, you ___________ . You ___________ park it here .
#76134
A
mustn’t ; may
B
may not ; must
C
don’t have to ; may
D
shouldn’t ; must
You ______ to the meeting this afternoon if you have something important to do.
#76592
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come
–Can you swim? --___________, but my brother Tom can. 
#74545
A
Yes, I can.
B
No, I can’t.
C
Yes, I do.
D
No, I don’t.