What do you mean _______ saying “The boy is over growing.” —I mean that he is tall _______ his age.[ ]

We are sure one day the air in Beijing will be much ______ than today.

Is there uniform on the sofa? –No, there is on the desk.

__do you go to the English club?–Once a week.

Tom is really a polite boy. He ________ “Good morning” to every teacher every day.