I met my teacher__I was walking in the street, but I didn't say hello to him.

问题描述:

I met my teacher__I was walking in the street, but I didn't say hello to him.
A.beforeB.afterC.until D.while

我们平时说话不都这么说嘛:在我走在大街上的时候,我碰见了我的老师,但是我并没有向他打招呼.从翻译上while更通顺,当……的时候
2英语学习要培养自己的语感,不要太死扣语法,多多体会一下否则是越想越乱.