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这道题怎么做:YousteppedintotheYousteppedintothelabwithyourshoeson?You'retotakethemoffbeforeyouenterit.[]A.invitedB.supposedC.forbiddenD.permitted

题目详情
这道题怎么做:You stepped into the
You stepped into the lab with your shoes on? You're _____ to take them off before you enter it. [     ]
A. invited
B. supposed
C. forbidden
D. permitted

▼优质解答
答案和解析
B