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【题目】The invention she spent two years on will do good to all the world.
A. which B. who
C. what D. where
【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。
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题目内容
【题目】The invention she spent two years on will do good to all the world.
A. which B. who
C. what D. where
【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。