2a.
2. I studied..., but I didn’t study...
3. I The teacher helped..., but she didn’t help...
4. Bill played..., but he didn’t play..
5. The secretary booked a table..., but she didn’t book...
6. We painted the living room, but we didn’t paint...
7. The shop assistant worked..., but she didn’t work...
8. I showed..., bot I didn’t show...
2b
1. Where were you last night.
2. Were they late for the concert.
3. Where did they land a plane.
4. What did your brother study at the university.
5. Was your first boyfriend very tall.
6. Why didn’t you wait for this bus.
7. What time did Sandra arrive at work.