He should have been warned of the danger.—________，but he wouldn’t listen to me.

It is required that all traffic participants should___the traffic rules to make traffic safer and faster．

You are no longer a child. It’s time for you to _______ differences with your parents.

_________ watch English movies to learn English—Sounds great.

Jim _______ ride to school. But now he _______ walking to school because he wants to keep fit.