【单选题】自觉遵守社会公德的前提和基础是认真学习社会公共生活中的()
【单选题】认真学习社会公共生活中的(),是自觉遵守社会公德的前提和基础。
【单选题】John was seen ____ in by the back door, but nobody saw him ___.
【单选题】Nobody saw her in the office today. She ________ the lecture.
C.
couldn’t have attended
【单选题】根据《全国体育运动单项竞赛制度》规定,每年4月至_______月上旬为全国甲级运动项目竞赛期,全国性竞赛原则上应安排在竞赛期内。
【单选题】Nobody saw her ___ the room
【单选题】选择与画线部分意思相同或相近的选项。 I called Jim just now, but nobody answered. [ ]