MUST-HAVE TO

you _________ wear a seat belt in a car.

• have to

• must

• doesn't have to

• must to

You..........use the helmet in the job.

• have to

• don’t have to

• must

• mustn’t

You ________ use a cell phone when you are cycling.

• have to

• has to

• must to

• mustn’t

You ___________ wear uniform in virtual classes.

• has

• don't have to

• has to

• mustn't

The concert is free. You __________ buy tickets.

• must

• has to

• mustn´t

• don`t have to

You ______ feed animals in the zoo.

• mustn`t

• must

• don`t have to

• have to

I am fat. I________do exercise every day.

• must

• have to

• don`t have to

• has to

You ______ smoke in this area. It is forbidden.

• mustn`t
• have to 
• don`t have to
• has to