They ( ) (play) sports every morning 用括号内词的适当形式填空==是不是原型?速求==

问题描述:

They ( ) (play) sports every morning 用括号内词的适当形式填空==是不是原型?
速求==

They (play) sports every morning .他们每天早上做运动.
注:EVERY MORNING 是一般现在时的标志,主语是复数,谓语动词用原形.
加油!不明白再问!