A
WHEN 不能与现在完成时连用.
---I have been to Hangzhou once(需解释) ---when____you_____there?A.did go B.have gone C.have been
---I have been to Hangzhou once(需解释) ---when____you_____there?A.did go B.have gone C.have been
----I have been to Hangzhou once(需解释) ----when____you_____there?A.did,go B.have,gone C.have,been
----I have been to Hangzhou once(需解释) ----when____you_____there?A.did,go B.have,gone C.have,been
英语人气：193 ℃时间：2020-04-04 08:01:16
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