You'll succeed _____ you work hard at your subjectsA unless B until C as well as D sinceA为什么不可以,

分类: 作业答案 • 2022-02-11 14:13:34

问题描述：

You'll succeed _____ you work hard at your subjects
A unless B until C as well as D since
A为什么不可以,

答

D since这里是因为的意思
A unless 是除非。意思就相反了

答

前后两句是因果关系,since意为既然
unless意为除非