Though Jack has failed twice in PE test he decided to have third try.A. the; theB. a; t

问题补充：

Though Jack has failed twice in PE test, he decided to have third try.

A. the; the

B. a; the

C. a; a

D. the; a

答案：

A. the; the

B. a; the

C. a; a

(答案→)D. the; a

解析：考查冠词。句意：尽管杰克已经在体育比赛中失败了两次，他还是决定再进行第三次尝试。结合语境可知前文特指体育方面的比赛，故用定冠词。下文序数词前加不定冠词表示再的含义，故选D。