现在完成时的时间标志词

问题描述

精选答案

1、before 以前

例句：Have you been to the Great Wall before

例句：Mike has seen the film with me before.

译文：迈克以前和我看过那部电影。

例句：Have you ever been to Beijing

译文：你曾去过北京吗？

例句：Mary has ever read the story.