题目内容

--- are the Winter Olympic Games held？

---Every four years.

A. How far   B. How often 

C. How soon D. How long

 

B

【解析】

试题分析：句意：---冬季奥运会多长时间举行一次？---每四年一次。根据答语知道问的是频率，故选B。

考点：考查词组的辨析。

 

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