The policeman caught the thief by ___ arm.
It is so nice to hear from her._______, we last met more than thirty years ago.
Boris has brains.In fact, I doubt whether anyone in the class has _______ IQ.
We don't care if a hunting dog smells _______, but we really don't want him to smell _______.
Many students signed up for the _______ race in the sports meeting to be held next week.
_______ people in the world are sending information by e-mail every day.