Question

【题目】After series of failures, Jack managed to pass driving test.
A.a; a
B.a; the
C.不填; a
D.the; a

Answer 1

【答案】B
【解析】句意：经过一系列的失败以后，Jack成功通过了这次驾照考试。a series of固定短语，“一系列的”；第二个空，特指“这次驾照考试”，用定冠词the，选B。