根据下列句子及所给汉语注释，在横线上写出空缺处各单词的正确形式。
66．He was employed as a _______(图书管理员) in the company．
67．Have you ________(处理) with the  letters received yesterday?
68．Many economists use the Davos forum as a______(平台) for their financial views．
69．Seeing the scene, he left_______(失望)．
70．There are not enough ____(柜橱)for all the students in the school．
71．He's still______（犹豫） about joining in the expedition．
72．She knitted a pair of_______(手套) herself．
73．It is useful to ____(开发) oil reserves, water power, solar energy because we are badly in need of them．
74．We are busy now and we can’t spare a _______(两周) holiday．
75．Each country celebrates April Fool’s Day_________．(不同)