Sounds simple, but I've always been confused. I am also not sure about using the definite article, like “I'm a student in/at the UCLA.” Is that normative American English? Thanks for your help.
When nouns such as average, total, sum, etc., are modified by a prepositional phrase, how do you choose between the definite and indefinite articles? I cited sentences 1, 3, and 5 below from various ...