The Class One_(watch)a film at the cinema now,填什么 有分!

问题描述:

The Class One_(watch)a film at the cinema now,填什么 有分!
the Class One在什么情况下是单数,什么情况下是复数

are watching
强调所有成员,做复数.
强调整体,如 Class One has more student than Class Two.做整体,用单数