题目内容
20.We brush our teeth every day..(对划线部分提问)Howoftendo you brush your teeth?
分析 我们每天都刷牙.
你们多久刷一次牙?
解答 答案:How often.划线部分是every day表示每一天,表示频率,提问用how often,故答案是How often.
点评 对划线部分提问,实质就是考查特殊疑问句,根据划线部分选择合适的疑问词(词组),后接一般疑问句
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