A
1. played 13. warned
2. walked 14. washed
3. watched 15. tried
4. listened 16. turned
5. waited 17. questioned
6. checked 18. observed
7. asked 19. needed
8. wanted 20. lived
9. called 21. laughed
10. delivered 22. killed
11. decided 23. kissed
12. worked 24. invited
B
1. yes, you did
no, you didn't
2. yes, he did
no, he didn't
3. yes, she did
no, she didn't
4. yes, she did
no, she didn't
5. yes, he did
no, he didn't
C
1. visited
2. listened
3. studied/answered
4. Did/finish, didn't
5. waited/didn't come
6. asked
7. Did/invite
8. knocked/didn't open
9. walked
10. happened
11. checked
12. delivered
13. lived
14. didn't study/fell
D
1. Clare didn't play tennis this weekend.
2. David didn't wash his car on Saturday.
3. Did Kate finish her homework?
4. All the students didn't answer the questions.
5. Marta didn't wait for the bus.
6. Did Elisa call Sue to go out?
7. Did John watch TV all the day?
8. Did Alex wash the dishes?
9. Dorothy didn't invite me to her birthday party.
10. Did Julia clean the entire house this morning.