第20题: [单项选择]To make sure that the deal could be closed successfully, the manager ruled that everyone in the advertising section ______ till ten every night last week. A. work B. worked C. was working D. working 参考答案:A 答案解析:[理由] 本句测试意志动词的用法: 1) 意志动词乃指“建议”、“要求”、“命令”、“规定”、“主张”等5类。 a) 建议:suggest、recommend、advise、urg