"One should keep one's promises" means-
A
promises should be kept
B
one's promises must be kept by him
C
promises made by one should be kept
D
one's promises should be kept by one
Correct Answer: one's promises must be kept by him
One যদি বাক্যের Subject হয় তাহলে সেটার possessiv adjective হিসেবে one's হবে।