单选题 That boss _____ his workers work more than 12 hours a day.
【正确答案】 A
【答案解析】这三个动词都可以带复合宾语，其句型结构是：make sb do sth，ask/tell/sb to do sth。注意make的宾补动词不定式不带to，而其他两个动词的宾补的动词不定式必须要带to。