1. is2. Are they happy3. wrote4. didn't go/was5. Did his brother come/didn't come/was6. had7. went/took8. Do you often go/go9. why didn't Susan notice/were/didn't see10. do you like11. Did she buy/didn't buy12. What does your sister do/meets13. didn't understand14. moved15. is/ate16. Did the sell/ I don't know17. forgets/ leaves18. What is the weather like19. was20. draws