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— I’ve taken someone else’s green sweater by mistake.
— It ______ Harry’s. He always wears green.
A.has to beB.will beC.mustn’t beD.could be
D
本题考查情态动词的用法。句意是“我错拿了别人的绿色毛衣”,“那可能是Harry的,他总是穿绿色的毛衣”。四个选项中could表示推测。mustn’t 表示 “禁止”;has to 表示“不得不”;will 表推测时,表“肯定“语气太强。
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