题目内容

They said I shouldn’t have done that to help him. But I don’t regret _____ what I thought was right.

A. to do
B. to have done
C. having done
D. being done

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项目实施策划主要是对项目目标、组织、环境和实施过程的安排，是一种( )工作，对项目控制工作具有指导作用。

A. 操作性
B. 执行性
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A. 实体
B. 实体型
C. 实体的个体
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Be _____. You can’t expect such a small child to do all the work on his own.

A. honest
B. serious
C. logical
D. reasonable

The heavy rain _____, the students went on planting trees.

A. had stopped
B. stopped
C. having stopped
D. being stopped