It ( ) a lot of things.是has还是there's?0

there's a lot of things为什么用there is单数不用there are? There are a lot of things to () There a lot of things to do . 是there has got 还是is a lot of time left 是much things 还是 a lot things it's _____It has a lot of _____here.(rain) 是"there has changed a lot"还是"there have changed a lot"?”为什么 是"there has changed a lot"还是"there have changed a lot"? 缺词填空,there are a lot of interesting things in the world.if s 是there are a lot of people、还是there is a lot of people? 是 there is a lot of people 对还是 there are a lot of people 对 是 there are a lot of还是 there is a lot of