问题

It’s not ___ good idea to drive for fourhours without ___ break
A:should
B:must
C:can
D:Doesn’t matter
B:must
C:can
D:Doesn’t matter
正确答案是:
同类题型
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You should learn to think while reading. Usually, behind the lines the writer’s true meaning.
He sat there with his eyes ______ on the blackboard [ ]
Was it because she was ill______she didn’t go to attend the meeting?