Online shopping , when properly ____, can save a lot of time , money and energy.A．doneB．is doneC．having doneD．doing-高中英语-n多题

◎ 题干

Online shopping , when properly ____, can save a lot of time , money and energy.

A．done

B．is done

C．having done

D．doing

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“Online shopping , when properly ____, can save a lot of time , money and energy.A．doneB．is doneC．having doneD．doing…”主要考查了你对【全部倒装】，【部分倒装】，【省略句】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

◎ 相似题

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