85. You should say "I am sorry " when you knock ________ somebody.A.atB.inC.toD.into-英语

题目简介

85. You should say "I am sorry " when you knock ________ somebody.A.atB.inC.toD.into-英语

题目详情


85. You should say "I am sorry " when you knock ________ somebody.
A.atB.inC.toD.into
题型:单选题难度:偏易来源:不详

答案

D

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