( ) can keep people healthy and away from the H1NI flu 请说明理由!

分类: 作业答案 • 2022-01-19 13:31:02

问题描述：

( ) 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

答

D
动名词做主语.
do exercise是习惯用语,锻炼的意思.