1. What is their company's mailing address? (THEIR)
2. Which hotel did you book for the conference in April? (WE)
3. Where would you like to eat lunch today? (I)
4. Did she decide on a vacation destination yet? (SHE)
5. When are you available for a meeting tomorrow? (I)
6. If I must leave early, can you cover my shift? (YOU/I)
7. Was he sick yesterday, or was he on holiday? (I/HE)
8. Can you call me after you finish work? (I/YOU)
9. Why didn't you talk to me all day yesterday? (I/YOU)
10. Do you think the manager is going to quit? (I/HE)