题目内容
20.-_______ should we clean the library?-Twice a week.( )
| A. | How many | B. | How much | C. | How long | D. | How often |
分析 -我们应该多久打扫一次图书馆?
-一周两次.
解答 答案:D 根据答句"Twice a week"可知这是回答的频率.A选项提问可数名词的数量,用基数词回答;B选项提问价格或不可数名词的数量;C选项询问时间段,用for+时间段回答;D选项询问频率,用频率副词或短语来回答.故选D.
点评 本题考查特殊疑问词的辨析,找准答句,进而判断回答的是哪方面,做到答什么问什么.
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