题目内容
根据句意用括号中所给单词的适当形式填空,使各句语法正确。
The teacher's offices are ________ (on, in) the third floor.
答案:on
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题目内容
根据句意用括号中所给单词的适当形式填空,使各句语法正确。
The teacher's offices are ________ (on, in) the third floor.