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You look really tired. You ____ go to bed early tonight. A) should B) can C) may D) mustn't
should
You ____ smoke in the classroom. It is against the rules. A) mustn't B) don't have to C) should D) can
mustn't
I am not sure but it ____ rain this afternoon. A) might B) must C) should D) can't
might
Tom is a genius. He ____ speak four languages when he was ten. A) could B) can C) may D) might
could
You ____ wear a uniform at this school. It is the rule. A) have to B) should C) can D) needn't
have to
Students ____ bring their phones to the exam room. A) mustn't B) can C) should D) don't have to
mustn't
It is not necessary to come early. You ____ arrive at 7.30. A) don't have to B) must C) should D) mustn't
don't have to
This secret is very important. You ____ tell anyone. A) mustn't B) can C) should D) don't have to
mustn't
My leg is broken so I ____ play football today. A) can't B) should C) must D) might
can't
She studied very hard so she ____ pass the exam. A) will B) can C) mustn't D) needn't
will
I am sure that is her car. It ____ be anyone else's. A) must B) can't C) may D) should
can't
He is only five years old. He ____ drive a car. A) can't B) can C) may D) might
can't
You look pale. You ____ see a doctor. A) shouldn't B) mustn't C) can D) should
should
You ____ park your car here. This place is for teachers only. A) can't B) should C) needn't D) might
can't
We ____ hand in the assignment by Friday. It is the deadline. A) must B) can C) may D) needn't
must
You ____ wear a tie if you do not want to. It is optional. A) needn't B) have to C) must D) should
needn't
