首先你要搞清楚的是a lot of =lots of 可加可数名词也可加不可数名词. 例句： there are a lot of(lots of) apples.(meet) 没有lot of 也没有a lots of的用法 a lot 也是多的意思,但是它放在句末, 例句：thanks a lot 如果你还需要many和much的用法,欢迎追问.
a lot，是一个副词短语，修饰动词，如 he drank a lot. lot of、lots of没有这个形式的 lots of、修饰可数名词的复数形式、a lot of可数名词的复数或者是不可数名词 I have a lot of housework to do. I have a lot of things to do. I have lots of pictures taken in England.
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