103.It＇s my great honorto give a speech at the opening ceremony of the Art Festival.

82.According to recent psychological studies, many children develop fears ofdangers.

81.We cannot choose whether we will pay income tax or not, because payment of income tax is.

80.It is quite vital for a qualified teacher to have good manners and knowledge.

79.Polar explorers have to be extremelyto endure the climate and other hardships.

78.The wide use of computers isof the information age.

77.A positive answer makes you feel good, but a( n) one teaches you a lot.

76.After the war, Germany became one of Europe＇s mostcountries.

75.It wasof you to get up early to catch the first bus so that you could avoid the traffic jam.

74.He is a student of great intelligence and diligence. , he is a top student in the class.

73.My brother likes eating very much but he isn＇t veryabout the food he eats.