Question

Fill in the blank with the most appropriate word.
We can call _____ Mary at her office at 10 tomorrow.

• A. in
• B. off
• C. on
• D. over

Answer 1

Answer: (C)

on

A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words.

The correct answer is option C) on as it indicates a visit.

'In', 'off' and 'over' cannot be used here as they indicate a location within a larger area, cancellation, and height respectively.

We can call on Mary at her office at 10 tomorrow.