You ............ arrive late.

• must

• mustn´t

• don´t have to

• have to

We .......... speak English in our class. It´s a rule.

• must

• have to

• don´t have to

• mustn´t

I ............ get up early tomorrow because I don´t work on Saturdays.

• must

• have to

• don´t have to

• mustn´t

You ..............answer phone calls on a plane. It isn´t allowed.

• must

• mustn´t

• have to

• dont´have to

You ....... wear a seat belt in a car. It´s the law.

• must

• mustn´t

• have to

• dont´have to

Teachers .............. know all the words in the English language. They are not a walking dictionary.

• must

• mustn´t

• has to

• doesn´t have to

I ............ go to bed. I´m very tired.

• must

• mustn´t

• have to

• don´t have to

You ............. ride a bike without a helmet. It´s very dangerous.

• must

• mustn´t

• have to

• don´t have to

We ............ wear a uniform to school. We can wear jeans.

• must

• mustn´t

• have to

• don´t have to

You .............. read all the story for next class, only chapters 1 and 2.

• must

• mustn´t

• have to

• don´t have to