Q. Cow is . . . . . . . . useful animal.
✅ Correct Answer: (A)
a
Explanation: Here, the sentence talks about the 'animal' as general class of things. Since we are referring to general things, we need to use the definite article 'a'.
Explanation by: Mr. Dubey
Here, the sentence talks about the 'animal' as general class of things. Since we are referring to general things, we need to use the definite article 'a'.