The person in front of me at ___checkout was using ___card to check out butfound it wasn't working.
A. 不填;a
B. the; a
C. a; the
D. the; the
网友回答
A. 不填;a
(答案→)B. the; a
C. a; the
D. the; the
解析:考查冠词:句意:我前面的人站在收银台的人在使用一张信用卡付账,但是发现没有用。第一空填the,特指“收银台”,第二空还是填A.a card是泛指“一张信用卡”。选B。