*第五组测验解答：
1. d 2. a 3. wealthy 4. part-time 5. firm
6. found out 7. butler 8. study 9. caller
10. cry out 11. dead 12. killer 13. riohes
14. insurance 15. whatever 16. innocent
17. whole truth 18. responsible 19. running
20. haunted 21. turn into

*内文提示：
1. part-time：兼职的
2. butler：男管家
3. unknown caller：不知名的访客
4. riches：财富
5. tc thought of：think of的过去式；想到
6. It doesn't matter：不管怎样
7. innocent：无辜的
8. No point in running.：逃跑有什么用
9. I have no right.：我没有权利
10. It's like being haunted.：好像被鬼附身
11. to turn into：变成；转化