What does your uncle do—He is a farmer. He works ____ a farm.

Did you return Fred’s call?—I didn’t need to ____ I’ll see him tomorrow

It was raining heavily. Little Mary felt cold, so shestood ______ to her mother.

as Newton was, many of his ideas_______ today and are being modified by the work of scientists of our time.

He often Englishwith the classmates.