Q. Identify the part containing the error.
A. One of my friends
B. are planning
C. to join the Air Force.
D. No error
✅ Correct Answer: (B)
B
Explanation: 'One' is singular, so the correct verb is 'is planning'.
Explanation by: Yami Thakur
'One' is singular, so the correct verb is 'is planning'.