Zhanglin was lost in computer games during his last year in high school, otherwise he _____ a student at Beijing University. 

----What _______ the children be doing?----They _______ be playing a game called Bingo.

He insisted that the doctor         at once.

I didn’t see her in the meeting room this morning. She _____ at the meeting.

Had the bomb dropped over a populated area of the city , there ____ a great deal of damage．