the milk smells bad 中的smells为什么要加s

the milk smells bad 中的smells为什么要加s 哪些词本身就表示主动,不需要被动?如the milk smells bad.这类词有... The fish smells/smell bad The fish smells bad.怎么译 smell和smells都在什么时候用,The flowers smell good 而The milk smells bad.为什么两句中的smell用法不一样,那道跟flowers 或者socks是复数有关吗? you can't drink the milk because it smells t______ The food in the fridge ()(go) bad .It smells ()(terrible) The fish smells u_______________,it has gone bad. 首字母填空The meat has gone bad,it smells t_____. The egg smells bad smell 为什么加S? The food smells very t__________ and it is bad The food on the plate smells ___The food on the plate smells _____.A.bad B.badly The food in the fridge bad.Throw it away,please.A.is smelt terrible B.smells terrible C.smells The fish smells bad!It must be out of date!中的bad为什么不用badly the milk smells as if it is sour.为什么不是 as if it was sour啊 The milk smells as if it _____ sour.A.is B.was C.were the milk smells s------.I don't want to drink it.首字母填空 you can't drink the milk on the table.it smells ____. A.well B.good C.bad D.badlyremember ,boys ____ careful you are, ____ mistakes you will make.A,the more,the moreB.the fewer;the moreC.the more;the fewerD.the less;the less