The college students must study hard toa good knowledge of advanced information technology.

Did Alice sleep well last night—No, she didn’t. She didn’t go to bed _______ 12o’clock last night.

giving a general introduction to the computer, the course also provides practical experience. [ ]

Are you in favour of Tom’s suggestion________we work around the clock to meet the deadline?— No. But ______ Jimmy suggested to me sounds practical.

Remember off the light and don’t forget the door when you leave the room.