第17题: [单项选择]Usually he managed to find plenty of work to ______ him over hard times. I think it is a good idea. A. Chew B. blow C. flip D. tide 参考答案:D 答案解析:[解析] 短语tide...over的意思是“支持度过一段困难时期”符合题意,如:He sold his furniture to tide over his illness. (他卖掉家具以度过病期