— ____ do you clean the classroom?
— Three times a day.
A.How longB.How oftenC.How soonD.How many
B

試題分析:根據(jù)答語(yǔ)three times a day可知詢問(wèn)的是頻率,故用how often來(lái)提問(wèn),故選B。
點(diǎn)評(píng):以how引導(dǎo)的短語(yǔ)很多并且是考查的重點(diǎn),常用的有:how often”多長(zhǎng)時(shí)間一次”對(duì)在某一特定的時(shí)間內(nèi)進(jìn)行的動(dòng)作次數(shù)進(jìn)行提問(wèn),其答語(yǔ)一般為“never  sometimes  usually”等頻率副詞。  how long“多長(zhǎng)時(shí)間一次”是詢問(wèn)動(dòng)作持續(xù)的時(shí)間,答語(yǔ)通常是表示時(shí)間的狀語(yǔ)(two weeks等)前面一般跟介詞for;有時(shí)也可以表示長(zhǎng)度。how far “多遠(yuǎn)” 一般指的是一地到另一地的距離how many 和how much 均可表示“多少”how many 修飾可數(shù)名詞的復(fù)數(shù)形式,而how much 修飾不可數(shù)名詞,還可以用來(lái)詢問(wèn)價(jià)格。
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