Select the most appropriate option to fill in the blank and make a grammatically correct sentence.

Meena had a whale ______ a time in Mussorie with her gang.

of

The correct option to fill in the blank is of.

The idiom "whale of a time" is used to describe a time that is very enjoyable or exciting. In the sentence, Meena had a whale of a time in Mussorie with her gang, the phrase "whale of a time" is describing how much fun Meena had in Mussorie.

The other options are not as appropriate.

• In means "inside of." This does not make sense in the context of the sentence, because Meena did not have a whale inside of her time in Mussorie.
• Of means "belonging to." This is the most appropriate option because it shows that the whale of a time is something that Meena had in Mussorie.
• On means "in contact with." This does not make sense in the context of the sentence, because Meena did not have a whale in contact with her time in Mussorie.
• At means "in the place of." This does not make sense in the context of the sentence, because Meena did not have a whale in the place of her time in Mussorie.