Question

Which sentence contains a singular pronoun? We can have pizza tonight. He wants to earn a scholarship. They always help us out. We love to go to the beach.

Answer 1

He wants to earn a scholarship.

Think of it as "He" being one person. It is therefore a singular pronoun as "He" is on his own.
The other sentences contain "we" or "they" ; both instances constituting of more than one person and so they are therefore NOT singular.

Answer 2

Answer:

He wants to earn a scholarship.

Explanation:

Singular refers to a single thing, person, instance, event or group, and pronoun refers to substitutes of nouns or noun phrases, such as I, you, we, they, he, she, it, me, us, them, him, among other.

So, sentence number 2 is the one that contains a singular pronoun because it has "He", which it's a third-person singular pronoun.

The other options are incorrect because "We" is plural (Option 1 and 4) and "They" and "us" are also plural pronouns (Option 3).