问题描述：
BEC改错题
1.you should be able to anticipate both questions and to respond properly.
为什么both在这是错的?
2.Don not speak about matterss as you are not familiar with.
为什么as在这是多余的?
1.you should be able to anticipate both questions and to respond properly.
为什么both在这是错的?
2.Don not speak about matterss as you are not familiar with.
为什么as在这是多余的?
问题解答：
我来补答展开全文阅读