Last night he saw two dark __________ enter the building, and then there was the explosion.
—— Who on earth could it be? —— It was ________ other than Peter.
I’ll____ him off this time but next time he’ll be punished.
The problem is not ____ so easy as you think. It’s far from being settled.
When you do exercises, your heart works better. It is able to______ more blood while beating more slowly.
It’s bad ____ for a man to smoke in the public places where smoking is not allowed.