He tried his best to solve the problem,________ difficult it was.A．howeverB．no matterC．whateverD．although-高中英语-n多题

◎ 题干

He tried his best to solve the problem,________ difficult it was.

A．however	B．no matter
C．whatever	D．although

◎ 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“He tried his best to solve the problem,________ difficult it was.A．howeverB．no matterC．whateverD．although…”主要考查了你对【状语从句】，【限制性定语从句】，【主语从句】，【同位语从句】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。

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