How e you stepped into the lab with your shoes on? You’re ________to take them off before you enter it. I told you so.A.suggestedB.supposedC.forbiddenD.permitted
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B解析试题分析：考查动词搭配：句意：你怎么穿着鞋子就走进实验室了？你进来前应该把它们脱了，我告诉过你的。B.supposed猜想，be supposed to do应该做…，A.suggested建议，不能接sb to do， C.forbidden禁止， D.permitted允许，不符合句意，选B。
考点：考查动词搭配