1，Which one you choose is right? 你选的哪一个是正确的？
2，I bought a room yesterday, which used to belong to Tom. 我昨天买了一个房间，它曾经是属于汤姆的。
3，Which bus we should take is still a question. 我们应该坐哪路车还是个问题。
4，Which team will win the game is still unknown. 哪个队将会赢得这场比赛还不得而知。
5，Which is right hasn't been decided. 还没有决定哪一个是正确的。
6，Which of them escaped from the prison is still a mystery. 他们谁逃出了监狱仍然是个谜。
7，What he wants to know is which is the best book. 他想知道哪一本才是最好的书。
8，Which answer is right isn't known to us. 我们还不知道哪个答案是对的。
9，Football is a game which is liked by most boys. 足球是大多数男孩子喜欢的游戏。
10，Which car do you like doesn't matter to me。你喜欢哪辆车对我来说不重要。
11，This is the pen which was given by my friend. 这支钢笔是我朋友给我的。
12，The animal which is lost is a panda. 丢失的动物是一只熊猫。
13，I want to know whick book you like to read best of the three. 我想知道你最喜欢的是这三本书里的哪一本。
14，It is not yet decided which cash crop will be produced next year. 还没有决定明年会生产哪种经济作物。
15，Which book they will choose is still unknown. 他们会选择哪本书仍然是未知的。
