—Where did you on vacation? —Ito Shanghai.A. went went.B. go; went.C. go;go.D. went;go

问题补充：

—Where did you on vacation?

—Ito Shanghai.

A. went, went.

B. go; went.

C. go;go.

D. went;go

答案：

A. went, went.

(答案→)B. go; went.

C. go;go.

D. went;go

解析：go on vacation 表示去度假，根据第一句中的内容did助动词，故在回答时，要用一般过去时态，故选B