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( ) can keep people healthy and away from the H1NI flu 请说明理由!
A.Do exercise B.Take exercise C.Taking exercise D.Doing exercise
人气:218 ℃ 时间:2020-06-17 03:23:31
解答
D
动名词做主语.
do exercise是习惯用语,锻炼的意思.
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