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。