Li Gang, a police officer said that little about what his son _____ he know the moment all the media reported the traffic accident _____ in Hebei University.
This soldier __ jump into the water and saved the boy.
I want to buy a pair of new trousers to ___ my sweater.
There goes the bell for the class.Let’s stop___.
--Must we hand in our homework now?---No, you ___. You ___ hand them in before Friday.
When I was walking in the street, I heard my name ___.