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    —Oh, you have a headache and a cough. __________ have you been like this?
    — Two days.
    A．How longB．How oftenC．How oldD．How many

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    When the traffic lights are red, we _______ stop.
    A．should B．might C．must D．may

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    He looks very pale. He may have _______ fever.
    A．anB．aC．theD．/

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    I’m sorry to keep you _______ for almost two hours.
    A．waitB．to waitC．waitingD．waited

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    You look _______ . Do you hear the _________ news?
    A．excite: excitedB．excited: excite
    C．excited: excitingD．exciting: excited

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    —Must I take the medicine every day?
    — No, you______.
    A．must notB．may notC．haven’tD．needn't

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    My mother often tells me _______ my classmates when they need.
    A．helpB．to helpC．helpingD．helps

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    You’d better ________ too much meat. You are too fat.
    A．eatB．not eatC．not to eatD．don’t eat

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    You look _______ . Do you hear the _________ news?
    A．excite: excitedB．excited: excite
    C．excited: excitingD．exciting: excited

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    Staying up late is _______ your health.
    A．bad forB．good toC．bad toD．good for

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