She doesn't know _________________ made her daughter so sad this morning.A．what was itB．why it was thatC．how that wasD．what it was that-高中英语-n多题

◎ 题干

She doesn't know _________________ made her daughter so sad this morning.

A．what was it	B．why it was that
C．how that was	D．what it was that

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“She doesn't know _________________ made her daughter so sad this morning.A．what was itB．why it was thatC．how that wasD．what it was that…”主要考查了你对【可数名词及其单复数】，【动名词】，【表语从句】，【缩写与简写】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。

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