题目内容
i.用所给词的正确形式填空
1. The notebooks (be) on the teacher's desk.
2. ―Where are my keys. Mom?
―1 don't_______ (know).
1. are 2. know
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题目内容
i.用所给词的正确形式填空
1. The notebooks (be) on the teacher's desk.
2. ―Where are my keys. Mom?
―1 don't_______ (know).
1. are 2. know