--When did you hear the g

--When did you hear the gunshot last night?---________ was a

4个回答

因为问的是时间,你昨晚什么时候听到枪声的,回到是10点钟,表达时间天气,在英语中一般都是用it做虚主语.
后面的从句因为现行词是时间,所以用when做引导词,不能用that.