I’m doing a survey. Could youtell me ______—Sure. I usually go to work at 7:00 am.

Paul’s parents were worried that he ____ too much timechatting on line.

Here are some new computer programs _____ for home buildings [ ]

For many cities in the world, there is no room to spread out further, _____ New York is an example.

It was in the lab ­______ was taken charge of by Pro. Harris ______ they did the experiment.