It is a good habit for us that we should never today’s work till tomorrow.A put on B. put off C put up D put down
When I grow up ,I'm going to do _____I want to do.
I'm going to take ______lessons every day.
--- I have a fever. --- _______. You’d better go to see a doctor.
Tom and Jim are talking. We should tell them _______ noise while watching birds.
---_______ do people cut down so many trees here? --- To get enough space for a new road.