Unit 83 Guidebook: Solve an office mystery
KEY PHRASES
Solve an office mystery
为什么空气这么臭？
Why does the air smell so bad?
我不确定为什么这里这么臭。
I'm not sure why it smells so bad here.
谁打开了我的电脑？
Who opened my computer?
我该不该买一个新的本子？
Should I buy a new notebook?
这些文件怎么在地上？
Why are these documents on the floor?