After the terrorist attack last month, anyone at the airport       heavy bags, bottles of liquid, or whatever, could be stopped and questioned by the police.

Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.

 All the preparations for the task ________，and we're ready to start.

 Professor James will give us a lecture on the Western culture, but when and where __________ yet.

By the time you get to Beijing tomorrow, I ______ for Shanghai.