Задание 3:
2. will give
3. will turn on
4. will be sailing
5. will you go
6. will be seeing, will tell  

She is going to throw a party to welcome the new students
She is going to invite artists from all over the world to give lectures.
She is going to organise a workshop on local arts and crafts.
She is going to take  the students on a tour of the city’s museums. 

 1.    ….   unless you book early.
2. Why don’t you move a better area?
3.  …… if you don’t take a taxi.
4. If I were you, I would stop drinking so much coffee.
5.  ….. unless you come with me.