摘要： Though I can't make the model ship faster, the model plane can be made higher by any of the boys here. A. sail; to fly B. to sail; fly C. to sail; to fly D. sail; fly 答案: 1 -5 ADBBC 6 - 10 DACDC 11 - 15 BADAA16 - 20 ACCBB 21 - 25 CDCBB 26 - 30 CCCAB 31 - 35 AACCB 36 - 40 BCDBB 41 - 45 BBACD 46 - 50 DDDBA

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