可加,可不加
加 的话 表示前面已经提到过的 如:Many students like sports,but most of the students are fond of playing basketball.
不加的话,一般用在句首 如:Most students choose to play basketball.few,some也一样吗some和 few 如果涉及到 前面提到过的在名词前也要加定冠词 the 如果用于句首 直接是some / few + 名词