A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked（劫持）?

Teenagers shouldn’t be _______ from school although they don’t do well in their studies. 

—Did you sleep well last night? — No, the loud noise from the street ______ me awake for hours.

—How long have you been in this office?—Just a few minutes.My cousins ________ here together with me.

Tom _______ the TV set for $500，which was much cheaper than he had expected．