Question

【题目】______ you know how to sort the trash, why did you put it into the same bin?

A.UnlessB.WhenC.Now thatD.Even though

Answer 1

【答案】C

【解析】

考查连词辨析。句意：既然你知道如何分类垃圾，为什么你把它放在同一个垃圾箱里? A. Unless除非；B. When当……时候；C. Now that既然，由于；D. Even though虽然，即使。根据语境可知表“既然”，故选C。