形容词
1. Everyone should do what he thinks right. 每个人都应该做自己认为是正确的事。
副词
1. What does it count? 这有什么关系？
代词
1. What she must have paid for her diamonds! 她买那些钻石首饰一定花了不少钱！
2. What does it cost? 那要多少钱？
