题目内容
Every day we spend half an hour morning exercise。
A.do | B. to do | C. for doing | D. doing |
D
试题分析:句意:我们每天花半小时锻炼。Spend time doing sth.花时间做某事,后接动词的ing形式,故选D。
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题目内容
A.do | B. to do | C. for doing | D. doing |