问题描述：
Everyone knows that regular exercise and proper diet c____
P.E which is short for p_____education,is one of the students favourite subject.
Ligang is studying in the English _____(系) of the university.
P.E which is short for p_____education,is one of the students favourite subject.
Ligang is studying in the English _____(系) of the university.
问题解答：
我来补答展开全文阅读