题干

—Excuse me, would you lower your voice or use your mobile phone outside?
—Oh, sorry.I_______
A.didn’t realizeB.don’t realize
C.haven’t realizedD.hadn’t realize
上一题 下一题 0.64难度 单项选择 更新时间:2012-04-10 07:55:30

答案(点此获取答案解析)