来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/22 12:34:10
一个英语语法问题,懂的请进.
When you have finished looking at the things on show,take a lift up to the fourth floor.译文 看完展览后,乘电梯去四楼.为什么这是个过去进行时?
不是过去进行时,是现在完成时
have done have finished
finish doing是固定搭配,所以
have finished looking at...
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