Question Detail Karan has been ill for a week when her parents arrived for a visit. have been illmight be illhad been illNo correction Answer: Option C Similar Questions : 1. We had to move slowly and carefully to our seats for avoiding stepping in their toes. in order to avoidso that to avoidbecause ofNo correction Answer: Option A 2. They have waited for more than 2 hours now. have been waitinghas been waitinghad been waitinghad waited Answer: Option A 3. He did many mischiefs. made many a mischiefsmade much mischiefcommitted many mischiefsNo improvement Answer: Option CExplanation:(Asked in UDC Exam) 4. She did not ask any question to him. to him any questionany question from himhim any questionNo correction Answer: Option C 5. While walking across the river a car knocked him down. he was knocked down by a cara car knocked himhe was by a car knockedNo improvement Answer: Option A Read more from - Sentence Correction