newspaper可不可以加s

newspaper可不可以加s today's newspaper中的newspaper 为什么不加s usually read newspaper 中 newspaper要加s吗?为什么 instruction可不可以加s china可不可以加S 请问newspaper为什么不加S hundred可不可以加“s“?thousand可不可以加“s“? 饮料可不可以加s,drink可不可以加S? novel可不可以加s 为什么 I have some newspaper（s） 要加s吗 I have read today's newspaper的newspaper为什么不加s newspaper magazine 是可数的吧? 加s吧? newspaper vegetable 这两个单词在什么时候加s. is there a newspapers 为什么newspaper加S howe you read newspaper yet?在newspaper前加什么词today's/today's /the today's newpaper是可数名词还是不可数名词?为什么有的时候newspaper要加S，newspaper又不加Snewspaper 和 newpaper amusement park 中的Park 可不可以加s some newspaper +s吗