II. 完成下列句子（每小题1.5分，共15分）
66. _________ _________(采取行动) before it’s too late, or we’ll lose the battle . ( action)
67. _____  _______  ______ ______(毫无疑问) the competition is fierce and challenging. (doubt).
68. ________  _____  ______（令我们吃惊的）, he was wearing false hair at the party. （surprise）
69. _____  ______  _____ _____（她的事业如此成功）that Mary was famous nationwide . （career, successful）
70. The book is said to _____ ________ _________（翻译） into several foreign languages. （translate）
71. He is _______ _________ _______（足够大） do the hard work. (old)
72. It took me two hours _______ _______ _______（完成） reading the novels. (finish)
73. Only by discovering what we do best _____  _________  ___________ (我们才能才能希望)  reach our goals and truly make a difference. (hope)
74. I’m looking forward to_____   _______  _________(收到你的来信). (hear)
75. I met Tom at the school gate this morning, so he _____ ______ ______（不可能去了）to America. (go)