All the cars ________ stop when the traffic light is red.
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A
can
B
need
C
may
D
must
推荐题目
--Jack had prepared for the game for such a long time. We all thought he ________ it. -- What a pity! He ________ too nervous when playing it.
#62694
A
would have won;had been
B
could have won;must be
C
could have won;was
D
would have won;has been
As a student, you must ______ your teachers.
#63571
A
show respect for
B
have respect to
C
show respects for
D
have respects to
It’s quite warm here; we __________turn the heating on yet.
#63494
A
couldn’t
B
mustn’t
C
needn’t
D
wouldn’t