We spend half an hour ( ) (piay)football every day 怎么填

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We spend half an hour ( ) (piay)football every day 怎么填
1个回答 分类:英语 2014-11-29

问题解答:

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(in) playing (spend...(in) doing...:表示“花费时间/金钱做某事”,其中的介词in常省略,后加动词-ing形式.)
 
 
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