大学英语四级必备句型
作文常用格式
一、引出开头的常用句子格式
1：It is well-known to us that……（我们都知道……）==As far as my knowledge is concerned, …（ 就我所知…）
2：Recently the problem of…… has been brought into focus. ==Nowadays there is a growing concern over ……（最近……问题引起了关注）
【资料下载】大学英语四级必备句型
