Each of the students in the computer class (1)/ has to type (2)/ their own research paper this semester. (3)/ No error. (4)

Options

A. 1. Each of the students in the computer class
B. 2. has to type
C. 3. their own research paper this semester.
D. 4 No error

Answer

4

Explanation

No error.
Each is used in front of a Singular Noun followed by a Singular Verb.
The use of their (Plural Pronoun) is becoming or common these days.
Look at the examples given below:
Each student has been given his or her own email address.
Each student has been given their own email address.
Each of, each one of and everyone of followed by a Plural Noun/Pronoun take Singular Verb. as in Each of the houses is different.