Question

【题目】_____ difficult they are, we can work hard to solve it.

A. No matter what B. Whatever C. No matter how

Answer 1

【答案】C

【解析】句意: 不管他们有多难，我们都能努力解决它。考查词义辨析。A. No matter what无论如何什么，不管什么，代词短语；B. Whatever无论，代词；C. No matter how不管如何，无论如何，副词短语。Difficult困难的，形容词，副词修饰形容词；结合句意和语境可知选C。