some people are sitting on the chair这句话中chair要用复数吗为什么

some people are quite______. some old people are P______cards. Why some people are pessimists,but some are optimists some people后接 is还是are some people前面用is 还是are Some people are always so arrogant是什么意思 some people are _________to animals (cruel cruelty) Some people are going home from work. tere are some people l_____on the beach Some people are swimming in the p... [Fate] some people really are beyond imagination Some people and some things are just for the show some people are driving cars to work .=some people are _ _ _ _ _ There are many people in the park, some are playing chess,some are walking为何不对 Some people are cruel to animals.Some people are____ ____ animals（同义） Some people are wearing white coats.(对some people)提问请详细说明 some people are dip in flat,some in satin,some in glossy, Some people are (s ) at the supermarketSome people are (s ) at the supermarket首字母填空