PORFAVOR ME URGE!! ES PARA HOY

PART I: Choose the correct option to complete the sentences below.

Have to / has to must should / shouldn´t can / can´t

1. When we were at school we wear a uniform.
2. You be an expert to use the basic functions of program.
3. You tell her that you are sorry.
4. She looks pretty sick. I think she go to a doctor.
5. Hey I'm lost. you help me?
6. You have such a beautiful voice. You sing for us!
7. That looks very expensive. It have cost a fortune!
8. I believe that you failed your test!
9. You smoke so much. It's bad for your health.
10. I afford that.
11. I know he speaks five languages, but he speak Arabic?
12. I wear glasses, I still can see perfectly well.
13. We talk to each other because it is an exam.
14. If you want to watch TV, first you finish your homework
15. You cannot go out with your friends. You stay at home because you have fever