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_______ hard they worked, they couldn’t satisfy the boss.

时间:2022-05-23 20:12:45

_______ hard they worked, they couldn’t satisfy the boss.

A.No matter however

B.How

C.Whatever

D.No matter how

答案及解析: D

解析:

词组no matter意为“不管;

无论”,与疑问词how连用,相当于however,引导让步状语从句。选项A中no matter不与however连用,因为however相当于no matter how, how不能引导让步状语从句,选项C中whatever引导让步状语从句时,在从句中能作主语、表语、宾语或定语,但不能作状语。

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