适当形式填空Please _______(take) your seat belt before the plane t

适当形式填空
Please _______(take) your seat belt before the plane takes off.
The headteacher was really angry because the boy came to school as late as __________(usually).
Can you help me to write down the __________(travel)names on this piece of paper?
The world ___________(it)is becoming smaller and smaller because of the Internet.