Question

【题目】I really don’t know _________ she gets by on such a modest salary.

A. what B. why

C. how D. that

Answer 1

【答案】C

【解析】

考查宾语从句。句意：我真不知道她靠这么微薄的工资是怎么生活的。此处是how引导的宾语从句，故选C。