---I'mnotsure______Mr.Wanggoestoseehisparents.---Twiceaweek.A.howl

发布时间:2020-08-06 19:54:18

---I'm not sure ______ Mr. Wang goes to see his parents.---Twice a week.A.how longB.how oftenC.how soonD.how many

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B解析考查疑问词用法。A项是对时间长度提问,B项是对频度提问,C项是对多久提问,D项是对数量提问。题中答语是频率副词。故选B。
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