He _____ without saying good-bye to them, for he always has good manners.
#90153
A
mustn’t have left
B
may not leave
C
shouldn’t have left
D
can’t have left
推荐题目
(2013·高考天津卷)If he had spent more time practising speaking English before，he________ able to speak it much better now.
#86615
A
will be
B
would be
C
has been
D
would have been
The truly homeless are the rich who __ _ their home into a hotel hall．
#87931
A
will turn
B
turned
C
are turning
D
have turned
It’s important that the future ______ with a goal of caring for the environment.
#86808
A
will build
B
would be built
C
be built
D
was built
(2009辽宁大连调研I ______ have been more than six years old when the accident happened.
#90247
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
Mark ______ have hurried. After driving at top speed, he arrived half an hour early.
#87664
A
needn’t
B
wouldn’t
C
mustn’t
D
couldn’t