Cancer is proved to be second only ________ heart disease as a cause of death.
The word “cool” has expanded to _________ many different meanings.
Generally speaking, _________ main material for building houses has been concrete, but _________ wood and stone have also been used.
– I lost the game today. – Well, _________ luck next time.
I want to improve my English. Don’t __ to correct me if I make a mistake.
– Has any of you seen the film, Amazing Tales: Three Guns?– _________.