up to present?还是up to the present?有一个是错的吗?为啥?

分类: 作业答案 • 2022-01-21 20:07:46

问题描述：

up to present?还是up to the present?有一个是错的吗?为啥?
up to present?还是up to the present?
有一个是错的吗?为啥?

答

先看词组at present与at the present time,前者present作名词,后者present作形容词,同样up to present正确,up to the present须+time,可看成固定词组,记好即可.