题目内容
() 7. Mr. Li isn’t at home. He has to Shanghai. He has there twice.
A. gone; gone B. been; been C. gone; been D. been; gone
7.C
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题目内容
() 7. Mr. Li isn’t at home. He has to Shanghai. He has there twice.
A. gone; gone B. been; been C. gone; been D. been; gone