do well in ,but do better in造句

问题描述:

do well in ,but do better in造句

楼上的,你都用he了,怎么还不用第三人称单数的does啊?
应该是
He does well in English,but (does) better in maths.
由于前后半句的主语不变,因此后半句动词可省略