They have ( )done a lot of things.填also 还是 already

分类: 作业答案 • 2021-12-31 12:29:10

问题描述：

答

如果是选择题那就 already.这题主要是考一个完成时态.已经做完的事情即为完成事.一般跟 already,yet之类的词一起用,意思是已经的意思.already用在肯定句,yet一般用在否定句中.如 i have not done it yet.