定语从句疑问啊,求解决21.ThisisthefactoryAweworkedayearago.A.whereB.thatC.whichD.onwhich此题D为何不对?22.NearbyweretwocanoesBtheyhadcometothe

Question

定语从句疑问啊,求解决
21. This is the factory _A___ we worked a year ago. A. where B. that C. which D. on which
此题D为何不对?
22. Nearby were two canoes _B___ they had come to the island. A. which B. in which C. that D. /
请分析下此题,这题我没看懂
28, How many students are there in your class _a___ homes are in the country? A. whose B. who C. whom D. which
这道题只是凭着语感蒙对的,请高手受累分析下此题
谢谢!

Answer 1

21.A.where
引导词在从句中做地点状语,故用where.D.on which 与前面的factory搭配不对,不能说on the factory
22.B.in which
in which=in the canoes
23.A.whose
引导词要在从句做做定语,修饰homes,故要用whose,其它选项都没有这个用法