Look at this! It’s broken now! You __________ have been careful!
#89222
A
could
B
must
C
would
D
should
推荐题目
It was dangerous for you to swim in that river. You    eaten by the fish.
#87286
A
might have been
B
must have been
C
could have been
D
should have been
Without your timely help, we ________ in big trouble that day.
#87130
A
would have been
B
would be
C
had been
D
were
Listen! His family must be quarreling, _____?
#87227
A
mustn’t it.
B
isn’t it.
C
aren’t they.
D
needn’t they.