MUST - MUSTN'T

The grandma is sleeping. You ___________ keep quiet.

• must

• must not

• mustn't

There are a lot of hospitals around here. You _________ make noise.

• must

• must not

• mustn't

You ________ pick the flowers in the park.

• must

• must not

• mustn't

We _________ plant more trees to save the Earth.

• must

• must not

• mustn't

We must ______________ more vegetables.

• eat

• eats

• eating

We mustn't ___________ too much soft drink.

• drinking

• drink

• drinks

We must _________ the animals.

• loves

• loving

• love

We _____________________ morning exercise everyday.

• must do

• must does

• mustn't do

• mustn't does

We ___________________________ TV too much.

• must watch

• must watching

• mustn't watch

• mustn't watching

You ___________________________ litter away.

• must throw

• mustn't throw

• must not throw