75．_____________　 76．_____________ 　77．___________ 　78．______________

71．_____________ 　72．_____________ 　73．___________　 74．______________

85．October ,1^st ,2009 will be our motherland’s s___________ birthday．

84． It’s too t________ to finish the 100-kilometre trail within 48 hours．

83． She speaks e___________ French．

82． If you try your b__________ to learn English, you’ll be better at it．

81． I hear they are both going on a trip． So I hope they’ll enjoy t___________．

80． They met a storm with t__________ and lighting on their way to school．

79． My father has b________ to the USA twice．

78． Most people like wearing clothes m________ of cotton．