Are you free this evening —Sorry, I’ve promised to have Mary’s radio repaired ____ for her help with my English.

Excuse me, could you tell me where the nearest post office is—The nearest post office You will have to walk_____.

What were you doing when we were playing basketball yesterday afternoon—I ______ the classroom.

Students are often reminded that chances _______ to the well-prepared.

When it ______ German, I know nothing.