题目内容


—How long does Kitty spend on her homework?
—________.
A．Half an hour B．A half hourC．Half hours D．An half hour
A

试题分析:根据题干how long可知询问的是时间段，又根据选择项的提示可知就是半小时，在英语中半小时的表达方式就是half an hour，故选A。
点评：对固定短语的表达一定要记清楚。Hour这个单词非常重要，尤其是前面的不定冠词an是考查的重点。
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