Question 1
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It [blank_start]can't[blank_end] be him, he's in France this week.
Question 2
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Don't worry, it [blank_start]shouldn't[blank_end] take long to drive there.
Question 3
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Please come inside, it [blank_start]must[blank_end] be freezing outside.
Question 4
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I will try to be there early but I [blank_start]might[blank_end] arrive late if there's a lot of traffic.
Question 5
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They [blank_start]can't[blank_end] be from Spain, they're speaking Portuguese
Question 6
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Don't leave the glass there. It [blank_start]may[blank_end] fall down and break.
Question 7
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I'm almost sure that the bus [blank_start]should[blank_end] have left by now.
Question 8
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She's not home yet. She [blank_start]might[blank_end] have worked late.
Question 9
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She didn't come to work today. She [blank_start]may[blank_end] have felt ill.
Question 10
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You better hurry up or you [blank_start]could[blank_end] miss the bus.
Question 11
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He is very busy, he [blank_start]may[blank_end] not be able to come to the party tonight.
Question 12
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You walked all the way here! you [blank_start]must[blank_end] be exhausted.
Question 13
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You [blank_start]can't[blank_end] possibly be tired, you just woke up.
Question 14
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I don't like the sound of the engine. It [blank_start]could[blank_end] be a mechanical problem.
Question 15
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It [blank_start]can’t[blank_end] be a mechanical problem. I've just taken the car to a mechanic.