-________doyouwritetoyourparents?-Onceamonth．A.HowlongB.HowoftenC.Howfar

发布时间：2020-08-04 15:31:35

-________ do you write to your parents?-Once a month．A.How longB.How oftenC.How farD.How soon

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B解析how often常用来询问频率．
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