You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.
#63110
A
should
B
must
C
might
D
would
推荐题目
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
For those of you who ________ a few very popular articles that came out last week, check out this mail.
#62329
A
may miss
B
must have missed
C
may have missed
D
would have missed