2-7.There'some good news in today's paper .They are about our school basketball team.

news,新闻,其实是单数.

后面指的是新闻是说学校的蓝球赛的, 所以新闻要用单数,除非你是指不指一条新闻. 这句话是,是应该用it is about our school basketball

It is
good news 新闻不是复数

They are about... 改为 It is about...,与前面news照应。

改为It's，因为news是消息、新闻的意思，是单数。