2. A: Have you booked a hotel?
B: Yes, I have booked one.
3. A: Have you cancelled the newspaper delivery?
B: No, I haven't yet.
4. A: Has she bought summer clothes?
B: No, she hasn't.
5. A: Have they bought sun lotion?
B: No, they haven't.
6. A: Have you rented a car already?
B: Yes, I have already done it.