Sentences:
- 1. ... of the three trips did you enjoy most?
- 2. ... in your class can speak German?
- 3. ... is the name of this old castle?
- 4. ... of your shirts are you going to wear?
- 5. ... boy in the photo is your best friend?
Brief Explanation: This exercise focuses on choosing the correct interrogative pronoun (which, what, or who) based on whether you are selecting from a specific group, asking for a general thing, or asking about a person.