You should not play too many computer games=

问题描述:

You should not play too many computer games=
You should not play too many computer games
=You should not play computer games_______ ______.

too much
因为第一句中的too many是用来修饰computer games(电脑游戏)的,而第二句中的too much 是用来修饰should not play(不应该玩)的.
many 是用来修饰可数名词
much 是用来修饰不可数名词