第14题: [单项选择]The movie star ______ with your sister, didn't he A. used to dance B. used to dancing C. was used to dance D. was used to dancing 参考答案:A 答案解析:[解析] 本题测试的是反意疑问句的用法。反意部分是一般过去式且是否定式,那么主句部分是一般过去式且是肯定式,而且判断动词为实意动词。再根据used to+动词原形(过去常常做某事)与be used t