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

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

题型:不详难度:来源:

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

答案
B
解析

试题分析:根据答语three times a day可知询问的是频率,故用how often来提问,故选B。
点评:以how引导的短语很多并且是考查的重点,常用的有:how often”多长时间一次”对在某一特定的时间内进行的动作次数进行提问,其答语一般为“never  sometimes  usually”等频率副词。  how long“多长时间一次”是询问动作持续的时间,答语通常是表示时间的状语(two weeks等)前面一般跟介词for;有时也可以表示长度。how far “多远” 一般指的是一地到另一地的距离how many 和how much 均可表示“多少”how many 修饰可数名词的复数形式,而how much 修饰不可数名词,还可以用来询问价格。
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