－­ does your mother watch the Talk Show?－ Once a weekA. How long B. How often C. H

发布时间：2020-08-21 08:41:04

－­      does your mother watch the Talk Show?
－ Once a week.
A. How long              B. How often             C. How soon

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解析：根据下文的答语Once a week.只是问频率的，故选B。
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