【题目】It was his ambition to become ______ lawyer before he ______ thirty.
A.不填，reached B. the, got
C. 不填，grew D. a, turned
在线课程【答案】D
【解析】考查冠词和动词短语。A. reached到达，达成；B. got 得到，明白；C. grew成长，种植；D. turned 使变成，转动。“turn+年龄”意为“满…岁”。表示职业名称的名词前用不定冠词a/an。句意：在满三十岁之前成为一名律师是他的志向。故答案选D。