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

—What would you wish to do if you were a college student again? —That's very hard to say, but I wish I___________ when I was a college student.

Tom, don’t worry. You ___ get the book tomorrow morning.

If you had got up early, you_____ the early bus.

There was a half smile on his face which suggested that he＿＿＿＿happy to have given his life for his country.