第1个回答 2011-07-17
peple had been payind attention to overall aesthetic since Ming Dynasty
第2个回答 2011-07-17
since后面应该接过去的某一时间点。如: since 8:00 yesterday morning. since 1990 since 5 years ago 这个时间点也可以用一个时间状语从句表示,从句的
第3个回答 2011-07-17
since+具体时间,后所接句子通常用完成(现在完成或过去完成)时态。
Since Ming Dynasty, people have begun to focus on a holistic beauty