Choose the correct answer.

I think you_____wear that dress. It doesn't suit you
1. don't have to
2. must
3. shouldn't
We ____________take our food to school. We went to the canteen
1. had to
2. didn't have to
3. didn't need to
All children_________fasten their seatbelts when travelling by car.
1. have to
2. should
3. must
You_________drink that. It's poison.
1. must
2. should
3. mustn't
________I stay and help you or you can do it alone?
1. should
2. must
3. need
You________be very rich to go skiing nowadays.
1. mustn't
2. needn't
3. don't have to
I can't go out now. I____________do my homework, my mummy tells me.
1. should
2. have to
3. must
We________do so many things around the house, that we couldn't call you.
1. did have
2. had to
3. must
You________use your flash inside the Museum, it's forbidden.
1. need to
2. must
3. mustn't
We have to be cautious.We_________try and cross the river now.
1. have to
2. should
3. shouldn't