题目内容
9、When the teacher speaks, we have to keep quiet, ?
A．don’t we B．mustn’t he C．haven’t we D．doesn’t he
试题答案
9、A
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When the teacher speaks, we have to keep quiet, ?
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A．don’t we |
B．mustn’t he |
C．haven’t we |
D．doesn’t he |
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When the teacher speaks, we have to keep quiet, ?
A．don’t we B．mustn’t he C．haven’t we D．doesn’t he
查看习题详情和答案>>When the teacher speaks, we have to keep quiet, ?
A．don’t we B．mustn’t he C．haven’t we D．doesn’t he
查看习题详情和答案>>