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名词单复数和...动词结尾加S和不加S的问题?急Today'ssedentarylifestyleandstressfulworkingconditionsmeanthat..(mean为什么不加S?)hardeconomicrealitiesmeanthat..(mean为什么不加S?)Fellingsaboutone's

题目详情
名词单复数和...动词结尾加S和不加S的问题?急
Today's sedentary lifestyle and stressful working conditions mean that..(mean为什么不加S?)
hard economic realities mean that..(mean 为什么不加S?)
Fellings about one's job refeflet...(reflect为什么不加S?)
The practical knowledge gained througt these experiences provides a.(为什么provide加S?)
Frequent exposure to films and video games that glorify violence encourages children...(为什么encourage加s?)
我最近被这些问题愁死了.希望能人细细道来.
我看语法书说可数名词单数加S,复数不加,不可数名词加S。怎么这些句子和我想的都不一样?
▼优质解答
答案和解析
lifestyle and conditions两样东西以上
realities
fellings
knowledge不可数名字
exposure
这些才是动词要修饰的主语