When _____ you _____ this book?Last Sunday.have seendid seeor..._____

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When _____ you _____ this book?Last Sunday.have seendid seeor..._____

When _____ you _____ this book?Last Sunday.have seendid seeor..._____
When _____ you _____ this book?Last Sunday.
have seen
did see
or..._____

When _____ you _____ this book?Last Sunday.have seendid seeor..._____
did see..
last sunday是个时间点.

did see

did see这里应该是用一般过去时 上星期日指的是一般过去的某个时间,且你看书这个动作并没有延续到现在,不用现在完成时的

did see,last sunday说明是一般过去时