Question

After ________ series of unsuccessful attempts, he has finally passed   
________driving test．

A．/;the

B．a; the

C．the; a

D．/;a

Answer 1

B

本题考查冠词。a series of是固定短语，意为“一系列；一连串”，所以第一空用不定冠词a；第二空用定冠词the，特指驾驶考试。句意：经过连续几次的失败，他最终通过了驾驶考试。