Answer for exercise 1

a)

1. a conference - probably business associates or delegates
2. a celebration meal - probably classmates or college friends
3. a dinner party - probably friends

b)

A

1. starts
2. opens
3. 's going to be
4. planning to
5. I'll still
6. I'll

B

1. 're going to
2. 'll
3. 'll be seeing

C

1. Are you doing
2. are having
3. 'll like
4. probably won't
5. won't
6. it'll probably
7. I'll keep