高中英语选择题提问5
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
这道题答案给的是B,选A可以吗?
参考答案: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
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
这道题答案给的是B,选A可以吗?
参考答案: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