They ____（learn）about eight hundred words by the end of last year.have learned.于是我希望您能自己回答...就这样我是说为什么不是had learned

分类: 作业答案 • 2021-12-19 16:24:53

问题描述：

They ____（learn）about eight hundred words by the end of last year.
have learned.
于是我希望您能自己回答...就这样
我是说为什么不是had learned

答