题目内容
6．Mariah used to____ _interested in music．（ ）| A． | be | B． | being | C． | is | D． | was |
分析 玛利亚曾经对音乐感兴趣．
解答 答案：A，考查动词的固定搭配．句意"玛利亚曾经对音乐感兴趣．"used to do sth过去常常做某事，be used to doing sth习惯于做某事．都是固定搭配．根据题干Mariah used to____ _interested in music．可知玛利亚曾经对音乐感兴趣．故选A．
点评 了解动词use的固定用法及其区别，结合句意进行选择．
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