Complete the sentence with a suitable idiom: Definitely, it is a ____ because it has been
Q1. Complete the sentence with a suitable idiom: Definitely, it is a ____ because it has been
Answer: very long time since I saw you. A donkey's year
Explanation: The blank is correctly filled with 'very long time since I saw you. A donkey's year' because this is the standard preposition or word choice in formal English for this construction.