哪一

which

1. 对我们来说，很难决定走哪一条路。
   It was difficult for us to decide which road to take.
2. 你正在学哪一段历史？
   Which period of history are you studying?
3. 我们来到了岔路口，不能决定走哪一条岔路。
   We came to a fork in the road and could not decide which fork we should take.
4. 哪一方将获得控制权？
   Which side will get the mastery?
5. 哪一本书你读过了？
   Which book have you read?
6. 苏伊士地峡位于世界的哪一部分？
   In which part of the world is the Isthmus located?
7. 你喜欢哪一种生活，陆上生活还是水上生活？
   Which do you prefer, life on land or life afloat?

一的英语翻译：