Excuse me,but can you tell me which road I should take to the post office?( )of the 4 roads will d选项中由any 和both两个.表达的是4条路都可以到达,我选的both,但是答案给的是any.为什么不能用both呢?

Excuse me,but can you tell me which road I should take to the post office?( )of the 4 roads will d选项中由any 和both两个.表达的是4条路都可以到达,我选的both,但是答案给的是any.为什么不能用both呢?
Excuse me,but can you tell me which road I should take to the post office?( )of the 4 roads will d
选项中由any 和both两个.表达的是4条路都可以到达,我选的both,但是答案给的是any.为什么不能用both呢?

Excuse me,but can you tell me which road I should take to the post office?( )of the 4 roads will d选项中由any 和both两个.表达的是4条路都可以到达,我选的both,但是答案给的是any.为什么不能用both呢?
both只用于两者之间,三者或三者以上用all ；some；any……