Question : Fill in the blanks with appropriate prepositions :
One should be grateful ........ the parents for their moral support.
Option 1: for
Option 2: to
Option 3: of
Option 4: with
Correct Answer: to
Solution : The correct answer is option 2.
Explanation:
To is used as a preposition after the adjective.
Some adjectives that describe people's actions and emotions are the words cruel, dependable, generous, kind, loyal,grateful and nasty.
Example:
Be kind to kid.