A:He has already gone back to australia,______ ? B:_______.He's on a visit to Qingdao.A.isn't he;No B.hasn't he;Yes C.isn't he;Yes D.hasn't he;No 为什么答案选A?

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A:He has already gone back to australia,______ ? B:_______.He's on a visit to Qingdao.
A.isn't he;No B.hasn't he;Yes C.isn't he;Yes D.hasn't he;No
为什么答案选A?

附合前肯后否,回答正常:yes是的 no不是.选D.

答案应该是D。