【C9】A．carelessB．caringC．carefulD．care

________ when you cross the road.A、Do careB、CareC、Do be carefulD、To be careful

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【C11】A．caredB．caringC．having caredD．to care

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A．care withB．care forC．care ofD．care about

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According to the author, Mr.Obama is______to business.A．carelessB．supportiveC．wiseD．oppose

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Which of the following words contains an inflectional morpheme？A．wearyB．talkingC．carefulD．

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【C9】A．life－giversB．care－giversC．law－makersD．trouble－makers

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【C7】A．carelessB．carefulC．carefreeD．cautious

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