题目内容

Some people believe that they would be better off     more adaptive activities in their leisure time, such as establishing relationships and teaching their children.
A.doingB.to doC.having doneD.to be doing
A

这里考查的是现在分词做条件状语的用法,句意是:一些人相信他们会更幸福的,如果在空闲时间多做些适应性活动,如建立关系,和教育孩子。选A。
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