While the computer becomes more and more powerful, I don’t think it will completely ___________ teachers in class.

Ladies and gentlemen, please remain _____until the plane has come to a complete stop. width=”254″ valign=”top” style=”width:190.8pt;padding:0cm 5.4pt 0cm 5.4pt”

Bob would have helped us yesterday, but he ____________.

Sitting at the back of the room but infront of some old men and women ______ a very shy girl with two bright eyes

cheat in the exam, you can hardly _____it.