高一英语题目一道~~

The Government has promised to do ______ lies in its power to help the homeless.

A. waht         B. that            C. all              D. which

解答和理由都麻烦回答下  顺便解释下这句话的结构 3Q

选A what

句子可以这样理解

The Government has promised to do to help the homeless.

“”部分即是从句范围

这里宾语从句连词不能用that which，当然也不能用all，因为这不是定语从句

A    这是个宾语从句The Government 是主语

has promised to do 作谓语是固定搭配

what引导一个宾语从句是__what____ lies in its power to help the homeless.中的逻辑主语

__what____ lies in its power to help the homeless做宾语

望采纳

A

what在主句中是do的宾语，同时还是lies in its power 的主语

A 宾语从句

do 后面缺少成分 what在宾语从句中是主语。