Must / Have to

They _____ discuss.

• have to

• don´t have to

• must

• mustn´t

she _____ do her homework.

• doesn´t have to

• has to

• must

• mustn´t

You _____ continue.

• have to

• don´t have to

• must

• mustn´t

Cellphone _____ be used.

• doesn´t have to

• has to

• must

• mustn´t

• h

Food _____ be consumed in this area.

• doesn´t have to

• has to

• mustn´t

• must

You _____ stop for a while.

• don´t have to

• have to

• must

• mustn´t

You _____ stop the car until light change.

• have to

• must

• mustn´t

• don´t have to

He _____ wash the cars.

• has to

• must

• mustn´t

• doesn´t have to

We _____ work hard.

• must

• mustn´t

• have to

• don´t have to

She _____ clean the house.

• has to

• doesn´t have to

• must

• mustn´t