Allthebeepersandmobilephonesmu

发布时间:2020-07-28 08:00:56

All the beepers and mobile phones must ________ in class.A.keep offB.turn offC.be turned offD.be kept off

网友回答

C解析BB机和手机是被关掉.
以上问题属网友观点,不代表本站立场,仅供参考!