题目内容
---How long have you ______ from the USA?
---For two weeks.
- A.come back
- B.returned
- C.got back
- D.been back
D
四个选项中只有been back可以与一段时间连用.
四个选项中只有been back可以与一段时间连用.
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题目内容
---How long have you ______ from the USA?
---For two weeks.