learn much more ,learn some more,哪个对?为什么?

用learn much more.
some一般是用来修饰名词的,而much可以用来修饰比较级.
这里用来修饰more,是much的比较级.所以应该用learn much more.
举个用some的例子：
I learned some words in the English class.(我在英语课上学了一些单词.)
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