Question

Select the sentence (A or B) that contains subject-verb agreement.

Answer 1

Answer:

B,  My mother, who lives nearby, helps my sister occasionally on a Friday night.

Explanation:

Answer 2

Answer:

B,  My mother, who lives nearby, helps my sister occasionally on a Friday night.

Explanation:

Since the subject is singular, the verb is also singluar, so helps, its not very intuitive but a way to rember is He runs, They run or somthing of the same effect.