题目内容
() 6. Mr. Green and his family China for four years. They are now living in Beijing.
A. have been to B. have come to
C. have gone to D. have been in
6.D
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题目内容
() 6. Mr. Green and his family China for four years. They are now living in Beijing.
A. have been to B. have come to
C. have gone to D. have been in