I have a dialogue and need to complete the answer.
A: Do you fancy playing tennis at 12 o’clock tomorrow?
B: I’m sorry, I can’t join you at that time
Which is the most preferable answer and which are incorrect?
- I have lunch with Mary.
- I’m having lunch with Mary.
- I’m going to have lunch with Mary.
- I will have lunch with Mary.
- I’ll be having lunch with Mary.