1. watched/was watching, зависит от времени,которое вы сейчас проходите,судя по всему,первое подходит вам больше
2. Did Tim wash the car 2 days ago;
3. Ron didn't water the plants yesterday afternoon;
4. Did you visit your grandparents last Sunday;
5. Kathy didn't play in the park yesterday.
1. watched/was watching, зависит от времени,которое вы сейчас проходите,судя по всему,первое подходит вам больше
2. Did Tim wash the car 2 days ago;
3. Ron didn't water the plants yesterday afternoon;
4. Did you visit your grandparents last Sunday;
5. Kathy didn't play in the park yesterday.