27.Had he worked hard, he () the exams.

85.It is known from the passage that ().

84.His intelligence and experience will enable him to () the complicated situation.

83.Within two weeks of arrival, all foreigners had to () with the local police.

82.Sometimes it is very difficult to () some of the English words. Even the native speaker can not help.

81.Keep in () that all people are different and some may progress faster than others.

80.I have not heard anything from him since his ().

79.The French pianist who had been praised very highly () to be a great disappointment.

78.I didn’t () to take a taxi but I had to as I was late.

77.Everyone should keep a sense of responsibility () what he has done.

76.Operations which left patients () in need of long periods recovery time now leave them feeling relaxed and comfortable.