Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
Each one of the children in a nursery class require individual attention.

Options

A. a )require individual attention
B. b)Each one
C. c)in a nursery class
D. d)of the children

Answer

A

Explanation

According to the "Subject-Agreement Rule", Each of /One of None of takes a singular helping verb. So, require will convert to a singular verb .requires. with Each child as its subject.