Answer: It is A. Ayer or meaning yesterday
Explanation:
There should really be a chart, I don’t even understand this and I have a A in Spanish.
Answer:
Bebo jugo de naranja. =( I drink an indefinite amount of orange juice.)
Bebo un jugo de naranja. = (I drink a glass / cup / bottle of orange juice.)
The word "un" changes the meaning of a sentence