题目内容

— Please follow me in case you get lost. This is your first time in the city, right?

— Yeah. How ____?

A. did you know     B. do you know      C. had you known    D. will you know

A


解析:

第一个人在“刚才”问时就已经知道了,所以第二个人用一般过去时问第一个人“你是怎么(在我承认我是第一次来之前)知道的?”

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