sat语法旧版og第一套

问题描述:

sat语法旧版og第一套
Linguistic research often requires fieldwork where they can study and record the spoken dialects of a region.
where they划线改成during which the linguist
为什么不能改成which they

定语从句修饰fieldwork,如果用which来引导,那么fieldwork必定在后面定语从句中担任主语或宾语,但是定语从句中的主语是they,宾语也有是 the spoken dialects of a region,因此fieldwork只能放在定语从句作状语用durin...