We usually [ ] hello [ ] each other when we meetA;speak,toB;say,toC;to not,buyingD;not to,buying必须有理由

问题描述:

We usually [ ] hello [ ] each other when we meet
A;speak,to
B;say,to
C;to not,buying
D;not to,buying
必须有理由

B 嘛。
一读就知道,平时多张口读读,培养语感。

B;say,to
固定用法
看你问了好几题了..为什么就不自己思考呢??!!

选B,意思是我们在与别人相遇时经常打招呼.