问题 选择题

—Well, you've come back! ________ did you stay in Shanghai? 

— For about seven days. I really enjoyed myself.

A.How many

B.How far

C.How long

D.How often

答案

答案:C

根据答语内容For about seven days,可知问句的特殊疑问词为how long,表示多久,故选C

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