Excuse me, where is the nearest post office— There is one just the corner.

It’s really nice of you to spend so much time ________ me around the city.

I wish to thank Professor Smith, without ______ help I would never have got this far.

It is said that the fantastic movie made by the Physics Office _____ the students’ real life.

Why are the tax collectors so busy——Many people prefer to have their tax forms completedby a professional rather than ___.