70．He can’t see anything because he lost his s_________　 in a car accident．

69．The boss though h_________ of the work done by his employees．

68．On the phone，try to e_________　 yourself clearly in as few words as possible．

67．If l had known his a_________，I would have written to him yesterday．

66．Everyone like a person with a good s_________ of humour．

75. Chuck lived on a l___________ island for a long time with a football as his only friend

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74. I am sorry, I took your umbrella by m________, for your umbrella is quite the same as mine.

73. The newly-built overhead bridge adds to the b___________ of our city.　　　

72. The o___________ languages in Canada are English and French.　　　　

71. They set about c_________ money for the starving children by singing on the streets.