In these questions some parts of sentences have errors and some are correct. Find out which part of sentence has an error. If sentence is free from error, your answer is (d).Question: It is true that a sense of duty may at time (a)/ render it necessary for you to do that (b)/ which is displeasing to your companions. (c)/ no error (d)

• A. a
• B. b
• C. c
• D. d