----How long_______ in Australia?----Eighteen months.I came back last Spring.A.have you studied B.have you studied C.did you study D.do you study给的答案是c 说是这是情景交际题,提问者应用一般过去时提问

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----How long_______ in Australia?----Eighteen months.I came back last Spring.A.have you studied B.have you studied C.did you study D.do you study给的答案是c 说是这是情景交际题,提问者应用一般过去时提问
----How long_______ in Australia?
----Eighteen months.I came back last Spring.
A.have you studied B.have you studied C.did you study D.do you study
给的答案是c 说是这是情景交际题,提问者应用一般过去时提问

----How long_______ in Australia?----Eighteen months.I came back last Spring.A.have you studied B.have you studied C.did you study D.do you study给的答案是c 说是这是情景交际题,提问者应用一般过去时提问
选A,解析:I came back last Spring.时态为过去时,in Australia过去完成时表示过去的过去

选A。B。。。。是不打错了,一样的

A
用完成时态,是在问你在澳大利亚学了多久

A,决对没错。