题目内容
用所给的动词的正确形式填空
Mr Wang ________ (clean) the desks when I came into the office.
答案:
解析:
解析:
|
was learning |
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题目内容
用所给的动词的正确形式填空
Mr Wang ________ (clean) the desks when I came into the office.
|
was learning |