Choose the best answer. (Em hãy kéo, thả đáp án đúng vào chỗ trống)

Must /  have to

The sign says “Stop”. You … stop here.

Choose the best answer to complete the sentence.

We _______ eat sweets in the classrooms.

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You _____ pick up flowers in the school garden.

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You ________ speak on the mobile phone on an aeroplane.

Choose the best answer to complete the sentence.

I _______ do my homework. My teacher said so.

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Travelling on mountains is really dangerous, so you _____ go alone.

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You____ put the rubbish into the bin.

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Must / have to

I …  go. Otherwise I’ll miss the train.

Choose the best answer to complete the sentence.

This is the smoking room at this airport . You ______ smoke in this room.

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mustn't /  don't have to

You ….  tell anyone. It is a big secret.

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Must / mustn't

You … do more exercise to stay fit.

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Must / mustn't

We …  be home by 9.00 o’clock. The film starts at 9.15.

Choose the best answer. (Em hãy kéo, thả đáp án đúng vào chỗ trống)

Must /  mustn't

It’s late. You … make so much noise.

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You _______ across the road without looking around.

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mustn't/ don't have to

You …  drive there. You can take the train.

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Must / mustn't

The baby is sleeping. You … turn the music too loud.