56.The boys in the family are old enough for（ ）.

59.Do you know Tim’s brother? He is（ ）than Tim.

58.I know he failed his last test, but really he’s（ ）stupid.

57.I went there in 1984, and that was the only occasion when I（ ）the journey in exactly two days.

56.Because fuel supplies are finite and many people are wasteful, we will have toinstall（ ）solar heating device in our home.

55.（ ）conscious of my moral obligations as a citizen.

54.James has just arrived, but I didn’t know he（ ）until yesterday.

53.His remarks were（ ）annoy everybody at the meeting.

52.（ ）, Mr. Wells is scarcely in sympathy with the working class.

51.If you explained the situation to your solicitor, he（ ）able to advise you much better than I can.

65.We met Mary and her husband at a party two months ago.（ ）we’ve had no further communication.