Răspuns:
31. He studied all chapters except chapter 11
32.The only present she hasn't opened is John's
33.I kept waiting half an hour before I saw the doctor
34.She regrets not turning down the offer.
35.The house should have paintings before you rent it
36.It was the first time she went to a live concert
37.There is no milk in this fridge
38.They have dealt with hard work on this project
39.He said we should have Chinese food for dinner
