,the students from shanghai review english every evening in the readingroon on the second floor.he studied english hard in the university for the lest on sunday 时间词有什么不同啊,所房的位置关于俩介词we will have a talk on the history of the Party this afternoon.he told us a story about Lei Feng意思是 关于 .有什么不同吗?

on 比较正式，about生活化，随便点， he told us a story about Lei Feng 比句用on就小题大做了。