17.3

3. he didn't have

4. I have

5. Ok

6. I didn' have

7. Ok

8. Did you have

9. Ok

17.4

2. hase a break

3. had a party

4. have a look

5. is having

6. had a chat

7. Did you have trouble

8. had a baby

9. was having a shower

10. Did you have a good flight?