---______mustItakethismedicineeveryday?---Threetimesaday.A.HowlongB.How

发布时间:2020-08-07 09:41:56

---______ must I take this medicine every day?---Three times a day.A.How longB.How oftenC.How farD.How soon

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B解析就表示频率的词提问用how often; how long就多长时间提问;how far就路程提问;在一般将来时里,就一段时间提问用how soon.
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