Complete
We are outside the stadium now. We ..... go in without tickets.
can't/mustn't (shouldn't is not the best choice here, as it's the rule and not just recommendation)
I think it's a good idea for you to stop smoking.
You should stop smoking
It's not necessary for me to eat meat. I can eat some fish.
I don’t have to eat meat. I can eat some fish.
We have bought everything we need so you ..... go to the market. Stay with us and watch a film.
don't have to
It is very important for you to see a doctor at once!
You must see a doctor at once !
It would be better if we worked together. We...
We should work together.
I didn't have morning classes last week, so I _____ (wake up) early.
didn't have to
It is necessary for me to be at school tomorrow at 8 a.m. I have an exam ! (not my choice - it's because of the exam time)
I have to be at school tomorrow at 8 a.m. I have an exam !
I can’t wait any longer to leave.
I have to leave/I must leave.
I ( buy ) new shoes because these are old.
have to buy (it's not my personal opinion, it's the external problem - the shoes are old)
Don't touch that plate, it's too hot.
You mustn't touch that plate, it's too hot.
It's necessary for me to walk my dog every morning. No one else can do it.
I have to walk my dog every morning. / I must walk my dog every morning.
New Year is coming so I've decided to take care of myself more, first of all - I ____ stop eating fast food.
must (my decision)
It was really important for me to see a doctor, because I felt very sick.
I had to see a doctor, because I felt very sick.
I loved that book so much! I strongly recommend you to read this book!
You must read this book!