as more and more people buy their own cars.中谁是主语

问题描述:

as more and more people buy their own cars.中谁是主语

正确答案为:
people 是主语
as 引导原因状语从句,由于.因为.
more and more 越来越多的,定语,修饰people
buy 谓语
cars 宾语
their own 定语,修饰cars.
★☆★☆★☆★☆★☆★☆cars为什么加s?cars 汽车,可数名词。加s表示复数

their 他们的,不止一人,修饰cars,所以不止一辆车,要加s.