我们已经学了大约两千个英语单词了 We have learn about two thousand English words

分类: 作业答案 • 2021-12-19 21:23:40

问题描述：

我们已经学了大约两千个英语单词了 We have learn about two thousand English words
为什么用 have

答

We have learned about two thousand English words 因为所学的单词至今年对我们都有影响
所以用完成时态即用了have