题目内容
12．-_______ does it take you to get to Hainan by plane？-Three hours．（ ）
| A． | How far | B． | How many | C． | How often | D． | How long |
分析 -你乘飞机到达海南需要花费多长时间？
-三小时．
解答 答案：D；How often多久一次（对频率进行提问）；How many多少（对可数数量进行提问）；How long 多长时间（对时间多久进行提问）；How far多远（对距离的长短进行提问）；根据答语Three hours可知上句应是对时间多久进行提问；用How long提问；故选D．
点评 识记常用疑问词组的用法，结合题干信息在正确理解句意的基础上做出解答．
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