TheSmiths
问题详情：
The Smiths ____________China for three years.
A. has come B. has been to C. have been in D. have come to
【回答】
C
知识点：动词时态
题型：选择题
问题详情：
The Smiths ____________China for three years.
A. has come B. has been to C. have been in D. have come to
【回答】
C
知识点：动词时态
题型：选择题
