A was B. were C are D. being 5. He knew that she the book because she hadn t been in the house at that time A. mustn t have taken B. mustn't take C couldnt havetaken D. couldnt take 6. I' m sorry to forget the door when l left a to lock B lock C. to be locked D. locking 7. Not only my parents but also I fond ofwatching tv A am B C. are D. were 8. Little that he would fulfil his task so rapidlyA. was B. were C. are D. being 5. He knew that she ______ the book because she hadn't been in the house at that time. A. mustn't have taken B. mustn't take C. couldn't have taken D. couldn't take 6. I'm sorry to forget _____ the door when I left. A. to lock B. lock C. to be locked D. locking 7. Not only my parents but also I ______ fond of watching TV. A. am B. is C. are D. were 8. Little ______ that he would fulfil his task so rapidly