You promised your friend a letter; you ought to ______ days ago.A．writeB．be writingC．have writtenD．be written-高中英语-n多题

◎ 题干

You promised your friend a letter; you ought to ______ days ago.

A．write

B．be writing

C．have written

D．be written

◎ 答案

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“You promised your friend a letter; you ought to ______ days ago.A．writeB．be writingC．have writtenD．be written…”主要考查了你对【虚拟语气】，【情态动词】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

与“You promised your friend a letter; you ought to ______ days ago.A．writeB．be writingC．have writtenD．be written”考查相似的试题有：

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