找出错误,并改正There were no factories 50 years ago.There weren’t many people also.快.
问题描述：
找出错误,并改正There were no factories 50 years ago.There weren’t many people also.
快.
答
There has been no factories since 50 years ago. There weren’t many people too.
答
1234563
答
把also改成either
also只能用在肯定句中,too用在肯定句末,either用在否定句末