Tony ____ the invitation, otherwise he would have attended your birthday party. 

–Let’s take a coffee break, shall we?–I wish I ________, but I have a really tight schedule.

“You are too selfish. It’s high time you 　　　　 that you are not the most important person in the world.” Peter said to his boss angrily.

____ anyone phone during the board meeting, please tell them I am busy.

No student _________ go out of the school campus after ten o’clock at night without permission, according to the school regulations.