She responded to him at the "drop of a hat ". Meaning of the idiom ?
Athe hat falling down
Banxiously
Creluctantly
Dinstantly
Athe hat falling down
Banxiously
Creluctantly
Dinstantly
Related Questions:
Use the correct idiom to complete the sentence:
The new water treatment plant is a ---- between the inhabitants of the town and the authorities.