Q1. Choose the most appropriate option from below to complete the sentence: A formal letter concludes with a -
Explanation
A formal letter normally closes with a complimentary ending followed by the writer’s signature, so “signature” completes the sentence correctly. The subject states the purpose of the letter and appears near the beginning, after the sender’s and receiver’s details. The salutation is the opening greeting, such as “Sir” or “Madam”, and cannot conclude the letter. Repo rate belongs to banking and monetary policy, so it has no connection with the structure of a formal letter. The official key therefore points to signature.
