Multiple choice

Directions: Fill in the blank by choosing the right preposition from the given alternatives.

She is grateful __________ him.

  1. of

  2. for

  3. to

  4. on
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The correct preposition is 'to' because the phrase 'grateful to' is the standard idiomatic expression when expressing gratitude toward a person. 'Grateful for' is used with things or abstract concepts (e.g., 'grateful for help'), while 'grateful of' and 'grateful on' are not standard English collocations.

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