问题描述：
本题选择什么?14.--Have you ever been to Australia?
14.--Have you ever been to Australia?
--Yes,I_________ there alone three times in 2006.
A.have been B.have gone C.went D.had gone
14.--Have you ever been to Australia?
--Yes,I_________ there alone three times in 2006.
A.have been B.have gone C.went D.had gone
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