Units 18-19 23. I (am going to/am going/going to) buy a

Units 18-19 23. I (am going to/am going/going to) buy a new jumper tomorrow. 24. Shes going (to having/to have/have) a shower. 25. Am (I going to/he going to/they going to) be rich? 26. (Ill to/Ill/I going to) see you next week. 27. They (wont/will to/wont to) play football tomorrow. 28. Its snowing! (Shall we a taxi take/Will we a taxi take/Shall we take a taxi). Units 20-23 29. You (mustnt to/havent/mustnt) lie to me. Tell the truth. 30. You (mustnt/doesnt have to/dont have to) pay to go into the museum. Its free. 31. (Must I/Do I have/Does I have) to eat all these vegetables? 32. Jackie (cant/can/t to/dont) swim. 33. Can you play the piano? Yes, I (can/cant/doesnt) 34. Where (the post office is/be the post office/is the post office) ? 35. We have white bread and brown bread. (Which/When/What) do you prefer? 36. (Which/When/What) do you want for your birthday?