Question Detail I have still not responded to his letter. still have not respondednot have still respondedhave not still responded No correction Answer: Option C Similar Questions : 1. Sahil, who studies history at present, hopes to go banglore after PhD. is studyingwill studystudiedNo correction Answer: Option A 2. He asked me where was my book. my book wasmy book isis my bookNo improvement Answer: Option AExplanation:(Asked in CDS Exam) 3. He can not be trusted, he let the cat out of the bag. let off the cat from the baglet the cat from the baglet the cat jump out of the bagNo correction Answer: Option D 4. In a few hours time, when the clock strikes six, She would be waiting here three quarters of an hour. shall be waitingshall have been waitingwill have waitedno error Answer: Option C 5. We have been working off and on for several days to complete this project. constantlyon and off regularlyon or offno error Answer: Option B Read more from - Sentence Correction