Question

Units 18-19
23. I (am going to/am going/going to) buy a new jumper tomorrow.
24. She’s going (to having/to have/have) a shower.
25. Am (I going to/he going to/they going to) be rich?
26. (I’ll to/I’ll/I going to) see you next week.
27. They (won’t/will to/won’t to) play football tomorrow.
28. It’s snowing! (Shall we a taxi take/Will we a taxi take/Shall we take a taxi).
Units 20-23
29. You (mustn’t to/haven’t/mustn’t) lie to me. Tell the truth.
30. You (mustn’t/doesn’t have to/don’t have to) pay to go into the museum. It’s free.
31. (Must I/Do I have/Does I have) to eat all these vegetables?
32. Jackie (can’t/can/t to/don’t) swim.
33. Can you play the piano? Yes, I (can/can’t/doesn’t)
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?

Answer 1

I am going to
She’s going to have
Am i going to
I'll see you
they won't
shall we take a taxi
You mustn't
Do i have to
Jacking can't 
Yes i can
Where is
which 
what

Answer 2

23. I am going to buy a new jumper tomorrow.
24. She’s going to have a shower.
25. Am I going to be rich?
26. I’ll see you next week.
27. They won’t play football tomorrow.
28. It’s snowing! Shall we take a taxi?
Units 20-23
29. You mustn’t lie to me. Tell the truth.
30. You don’t have to pay to go into the museum. It’s free.
31. Do I have to eat all these vegetables?
32. Jackie can’t swim.
33. Can you play the piano? Yes, I can.
34. Where is the post office ?
35. We have white bread and brown bread. Which do you prefer?
36. What do you want for your birthday?