should/must

You _____ leaves toys on the flor.

• must

• must not

• should

• should not

We _____ wear a school uniform

• must

• must not

• should

• should not

They _____ meeting a stranger after school.

• must

• must not

• should

• should not

We _____ eat a good food.

• must

• must not

• should

• should not

The students _____ play and run in the classroom.

• must

• must not

• should

• should not

Rukdee _____ running up and down the stairs.

• must

• must not

• should

• should not

My mom is sleeping.I____ be quiet.

• must

• must not

• should

• should not

We ____ put gabage in the bin.

• must

• must not

• should

• should not

Rider ____ put on a helmet.

• must

• must not

• should

• should not

You ____ drink a lot of water.

• must

• must not

• should

• should not