Question

【题目】The invention she spent two years on will do good to all the world.

A. which B. who

C. what D. where

Answer 1

【答案】A

【解析】考查定语从句。句意：她花费了两年的发明将对所有的世人有好处。The invention做先行词，指物，在后面的定语从句中做介词on的宾语，故选A。