She often spends half an hour----- sports.A.to do B.doing C.

问题描述:

She often spends half an hour_____ sports.A.to do B.doing C.do D.on doing
1个回答 分类:综合 2014-11-15

问题解答:

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B.doing
spend time (in) doing sth. 花时间做某事
spend time on sth. 在某事上花时间
 
 
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