--Look! The telephone is broken. Someone damaged it ________ purpose. --That may be right. But perhaps it was broken _________ accident.
To begin with, we learn how to______ our body when skating.
Computers are of great to the development of science and technology.
The child should be punished. You shouldn’t let him ______ telling lies.
— We haven’t heard from Jane for a long time. — What do you suppose ______ to her?
He is looking forward __________his father.