—Do you know Tom came third in the marathon held yesterday?
—Yeah!And it was 18-hour bicycle marathon.
A. 不填; the
B. the; 不填
C. 不填; an
D. the; a
网友回答
A. 不填; the
B. the; 不填
(答案→)C. 不填; an
D. the; a
解析:考查冠词第一空不填,因为third这里是副词,e third获得第三名,第二空填an,指一次18小时的自行车马拉松,因为eighteen是元音开头的单词,用an。选C。