英语字谜题目：

1. What stays hot even if put it in a fridge？ 什么东西即使放到冰箱中也是热的？

2. What fruit is never found singly？ 什么水果永远都不会是单数？

3. With which hand do you write？ 你用哪只手写字呢？

4. What man cannot live in a house？ 什么人不能住在房子里？

5. What never asks questions but has a lot of answers？ 什么东西永远不问问题但是却有很多答案？