students in primary and high schools------free exercise books by the * every
问题描述：
students in primary and high schools------free exercise books by the * every
year(offer)
答
Students in primary and high schools _____ free exercise books by the * every year.(offer)
答案：are offered
译文：每年中国*会为中小学的学生提供免费的练习册.
解析：offer sb sth 为某人主动提供某物