还是初级英语请教1 It looks like a cat 为什么LOOK后面要加S2 we are in differ

还是初级英语请教1 It looks like a cat 为什么LOOK后面要加S2 we are in differ does it looks like a cat 中look为什么要加s a lot后面加什么?比如I have a cat .It like fish ,It eats( 为什么要填a lot It looks very nice you.为什么look后面要加s? He looks very angry 为什么look后面要加s It looks like rain.为什么look like 后直接加rain, make it look like an umbrella.是look,还是looks? the hat look like a cat look和like要加s吗? we look like 还是 we are look like? My hat is black .It____a cat A.look like B.looks like C.like she looks so funny为什么look后面加s it look so good 还是it looks so good 要不要加S