❓ Big Question: Whose bag is this?
The Case of the Mystery Artifact
An unidentified bag is found at the park containing a pink hair band and a flute. Let's find the owner!
公园里发现了一个无主包，里面有一个粉色发带和一支长笛。让我们找出失主！
Learning Objectives
- Know Modal verbs (must, might, can't).
- Do Use evidence to identify owners and explain mysteries.
- Feel Empowered to think critically about unexplained phenomena.
Pro Tip: Watch out!
Mustn't is for rules (Do not do it).
Can't is for logic (It is impossible).
Mustn't 表示禁止，Can't 表示不可能。