We often heard the saying: “Don't _________ till tomorrow what should be done today.” So you must finish your work today.
--- _________ has he taught in the school? ---Since he left the college.
--- Must I return the book this week? --- No, you ____________. You can ____________ it for 20 days.
Look! __________ high speed the car is __________! It’s so dangerous.
Father put the ladder(梯子)_________ the tree to pick the apples for me.
--- What a beautiful car! When ________ you ________ it? --- I ________ it for two years.