“南斯拉夫一分为五”、“德国实现统一”、“克里姆林宫上空的旗帜悄然落下”。以上史实反映的实质是（   ）       

假如你生活在20世纪20年代，你可以做些什么： （  ）
①从《申报》上了解时事 ②报考北京大学③考中状元光宗耀祖 ④买到商务印书馆出版的字典

A: Hey, Peter. ____ 
B: I argued with my best friend. ____ 
A: Well, you could write him a letter.
B: I don't think so. I don't like writing letters.
A: ____ .
B: No, I don't want to talk about it on the phone.
A: Well, you should say you're sorry.
B: Yes, I know I should, but it's not easy.
A: Hey, I know. You could give him ____  a ball game.
A: Well, that's a good idea, but ____ .