No student      go out of school after eleven o’clock at night without the teacher’s permission.

.We were all waiting for you .You _____for the seaside by yourself without leaving a message.

—Do you think George has passed the driving test?—No.If so，he ________ his car to our college yesterday.               

In crowded places like_____airports and railway stations,you _______ take care of your luggage.

— Mary’s got mad and has been sent to the mental hospital. Did you tell her boss about that?— Yes, but I _____ her husband first.