问题描述：
He must be our new English teacher,________?A.mustn't he B.doesn't C.isn't he
还有一道
用所给次适当形式填空
100 kilometres ______ (be) a long way.
还有一道
用所给次适当形式填空
100 kilometres ______ (be) a long way.
问题解答：
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