3.The roof fell____we had time to dash into the room to save th old woman.

分类: 作业答案 • 2023-01-20 23:19:02

问题描述：

3.The roof fell____we had time to dash into the room to save th old woman.
A.after B.before C.since D.as
选A可以吗?

答

不可以
"fell"是过去,用before就使得we had time成为过去的过去,所以后面可以用"had"
用after 的话,后面的had要改成 have