He ............ throw rubbish to the trash can (must or mustn't)
MUST
You must ________ your room now (clean or cleaning)
CLEAN
I'm afraid you ________ enter this area. It is dangerous. (must or mustn't)
MUSTN'T
Nga must ________ home by 10 p.m. every day (be or is)
BE
You ________ tell him about this now because it's very important. (must or mustn't)
MUST
You _______ travel alone in the forest because it's very dangerous. (must or mustn't)
MUSTN'T
It's rainy and very cold there, so they must _______ a waterproof coat. (take or taking)
TAKE
You ________ take any things without asking. (must or mustn't)
MUST
People ............... let pets into the pool area. (must or mustn't)
mustn't
He _______________ hurry to school. It's 7.55! (should or shouldn't)
SHOULD
This boy is too fat, he eats all the time; he ___________ eat between meals. (should or shouldn't)
SHOULDN'T
You always go to school on an empty stomach. You ___________ leave without having breakfast. (should or shouldn't)
SHOULDN'T
My friend smokes a lot; he ___________ smoke at all, it's bad for his health. (should or shouldn't)
SHOULDN'T
Your room is really messy, you ________ tidy it immediately. (should or shouldn't)
SHOULD
Chips and hamburgers every day! That's very bad for your shape: you ___________ stop eating them! (should or shouldn't)
SHOULDN'T
He is often rude at school, he ________ be more polite towards his teachers and schoolmates. (should or shouldn't)
SHOULD
