We _____(learn) two thousand English words in the last four .用所给的动词的适当形式填空

问题描述:

We _____(learn) two thousand English words in the last four .用所给的动词的适当形式填空

你好,这题的正确答案是:
We have learned two thousand English words in the last four years.
这个句子的意思是:
在最近四年,我们已经学了二千个英语单词了.
in the last four 表示最近四年,表示的动作从四年前一直持续到现在,所以动词要用现在完成时态.

learned

have learned
in the last four years 这样的是现在完成时的时间标志

have learned