—Alan, don’t ________ too late, or you will feel sleepy in class.—Sorry, Mrs. Black. I won’t do that again.
People send out sky lanterns to ask for help when in trouble, but now sky lanterns ____ celebrating the festivals.
Before you go to Canada, you need to learn more it.
Earthquakes always happen , so it is difficult to know when they come.
It’s every policeman’s dream to keep people and the traffic in good order.
We all find _________ important to do what the teachers tell us.