Reescribid las siguientes oraciones con “must”, “mustn’t”, “have to” o “don’t have to” y el verbo correspondiente.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. It's forbidden to feed the animals at the zoo.
You the animals at the zoo.
2. According to the school rules, parents are obliged to attend meetings with the head teacher.
Parents meetings with the head teacher.
3. I need to get up earlier if I don't want to be late for work.
I earlier if I don't want to be late for work.
4. It's not obligatory to eat lunch at the school cantine.
You lunch at the school cantine.
5. It's strictly prohibited to smoke at the petrol station.
You at the petrol station.
6. It's not necessary to bring your tent - mine is big enough for all of us.
You your tent - mine is big enough for all of us.
7.It's obligatory that passengers remain seated until the aircraft has come to a standstill.
Passengers seated until the aircraft has come to a standstill.