第17题: [单项选择]He is working very hard to ______ the lost time in the past 10 years. A. make of B. make up for C. make up D. make out 参考答案:B 答案解析:[解析]make up for“弥补”,make与of的正确搭配为be made of“由……组成”,make up“组成,构成,编造虚构”,make out"列出;认出” 。
第20题: [单项选择]If I ______ the problem, I would do it in a different and rapid way. A) would solve C) shall solve B) solve D) were to solve 参考答案:D 答案解析:此句的if条件句是对将来事实的推测,所以用were to+v用solve的过去式也可,但选项中没有。句意:若是我去处理这个问题,我将会用不同且快速的方式。