Work in groups. You are in a hot air balloon. The balloon is too heavy so all except one person must leave the balloon or it will crash. Think of reasons why you should be the person who stays in the balloon because your job is the most important for society. Write your reasons. e.g. 1 I should be saved because my job is the most important. I'm a and a. is a very important job 2 I know ... I have ... qualification. I am strong 1 3 When you If you ... I You all need me. Without a ... you cannot 4 You don't need a ... or a... . You can manage without a ... but you ... cant manage without a So I am the most important and I must be saved

1. I can stay in bed tomorrow morning because I don't have to work.
2. Whatever you do, you mustn't touch that switch. It`s very dangerous.
3. You mustn't forget what I told you. It`s very important.
4. We don't have to leave yet. We`ve got plenty of time.
5. Ann was feeling ill last night. She had to leave the party early.
6. I had to go to the bank yesterday to get some money.
7. The windows are very dirty. I must clean them.
8. The windows aren`t dirty. You don't have to clean them.
9. We arrived home very late last night. We had to wait half an hour for a taxi.
10. These cakes are very nice. You must have one.
11. We don't have to take an umbrella. It`s not going to rain.

Dear professor, there is no right words to express how grateful i am for all the knowledge and all the things you taught me. without all your effort to put me on the right path and your belief in me i would not be the person i am now. thanks to you that i have experience and confidence for my future achievements. i will never forget that. i am happy to realize i am not the only student enlightened by you and that you helped so many people in achieving their dreams. thank you for believing on me, i will never forget it. i wish you many years to come and many more students to be mentored by you.  forever grateful, (name)