题目内容

He ________be at home because the light in his room is on.
A．mustB．can’tC．canD．mustn’t
A
表示肯定性推测常用must。
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相关题目
Susan’s parents have bought a large house with a swimming pool.
It      be very expensive.
A．mustB．canC．mustn’tD．can’t
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A．needn’t to comeB．don’t need come
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A．mustB．needn’tC．canD．shouldn’t
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A can   B may   C must   D would
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— Certainly. But you _______ be back by ten o’clock.
A．canB．mayC．mightD．must
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