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how long have your brothe-----there?about one monthbeen or been to?

题目详情
how long have your brothe-----there?about one month
been or been to?
▼优质解答
答案和解析
How long have your brother (been) there?About one month.
句意:你兄弟到那里多久了?大约一个月.
have been there 到那里.