7．My father works in the factory _____ this type of truck is made.应填什么,为什么

题目

7．My father works in the factory _____ this type of truck is made.应填什么,为什么
which

答案

把他从空出断开,前半句为完整的话,My father works in the factory 后半句语序还原看是否缺成分,which指代the factory ,得是this type of truck is made in the factory ,所以which前要加个介词in 才完整