He said that he had bought the jacket —— three days before 还是 three days ago ,为什么?
问题描述:
He said that he had bought the jacket —— three days before 还是 three days ago ,为什么?
答
前者three days before 对
从现在往回算多少时间以前用【.ago】,和一般过去时连用
从过去往回算多少时间以前用【.before】和过去完成时连用