Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.

“No student,” the headteacher stressed, “_______ go out of the school after ten o’clock at night without my permission.”

---Must I work out the problem right now?---Yes, you _______. It’s very serious. 

Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.

Passengers _____ fasten their seat belts immediately after taking their seats. The belts should remain buckled during the flight whether or not the “fasten seat belt” light is on.