Dear Sarah, I (0) have to tell you that I won't 1) able to go to the concert with you tomorrow. I'm feeling sick and have a bad cough. I 2) to the doctor yesterday, and he told me I have the flu. I'm (3) concert, as I was looking (4) Is it possible to (5) to it for weeks. sorry to miss the the tickets to someone else? Maybe you can ask your cousin or a friend. I wouldn't want the tickets to go to waste. I hope you understand and that you have a great time 6) be waiting. the concert. I'll