Q80
One should keep one's promise.
A.
One's promise should be kept.
AnswerB.
One's promise has to be kept.
C.
A promise should be keeping.
D.
A promise should be kept.
Answer: Option A
Solution
Answer: Option A
Solution:
One's promise should be kept.The subject 'One' has to be replaced with 'One's promises' keeping the tense same.