题目内容
句型转换
They were sweeping the floor.(改为一般疑问句)
________ they ________ the floor?
答案:
解析:
解析:
|
Were,sweeping |
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题目内容
句型转换
They were sweeping the floor.(改为一般疑问句)
________ they ________ the floor?
|
Were,sweeping |