We are sure that we can learn （a lot） about Guilin here.为什么要用a lot ,a lot of/lots of不行吗
问题描述：
We are sure that we can learn （a lot） about Guilin here.为什么要用a lot ,a lot of/lots of不行吗
We are sure that we can learn （a lot） about Guilin here.为什么要用a lot ,a lot of/lots of
答
a lot修饰动词
a lot of/lots of 后接名词（可数名词的复数或不可数名词）
这里是修饰LEARN,故用A LOT