Q. Identify the part containing the error.
A. He has been working
B. here
C. since three years.
D. No error
✅ Correct Answer: (C)
C
Explanation: 'Since' is used for a point of time, whereas 'for' is used for a period of time. Use 'for three years'.
Explanation by: Yami Thakur
'Since' is used for a point of time, whereas 'for' is used for a period of time. Use 'for three years'.