The students were talking loudly_the teacher came in.A.when B.as _英语解答

The students were talking loudly_the teacher came in.
A.when B.as soon as C.while D.until

人气：452 ℃　时间：2019-12-07 03:17:52

解答

A ,四个选项里只有when 可以和瞬间动词连用.
老师进来是一个瞬间所以不能选 C
D 选项是直到.才的意思.
不能说同学们正在说话直到老师进来.