With his head covered with ashes, sweat streaming down his face and his whole body trembling, I bet he must be feeling extremely _____ and he must have been caught in some sort of accident.
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A. unlikely B. uncomfortable C. unfortunate D. unnecessary
I was so _____ in my reading of the documents about our company"s expansion plan in my uncle"s office that I was ______ of the danger that was coming near.
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A. concentrated ; unaware B. devoted ; unconscious C. buried ; unconscious D. employed ; unnotable