第5题: [单项选择]Peter felt very guilty for not being able to reunite with his family on Christmas Eve, so he decided to ______. He wanted to work till midnight. A. work it over B. work it out C. work it off D. work it up 参考答案:C 答案解析:[解析] 动词词组搭配题。work off意为“通过工作或努力除掉”,如:work off a debt(用工作清偿债务);work over意为“检查,重做”;work out意为“找到解答,作出”