walk is expected to last all day, so bring packed lunch.
A. A; a
B. The; 不填
C. The; a
D. A; 不填
网友回答
A. A; a
B. The; 不填
(答案→)C. The; a
D. A; 不填
解析:第一空填空定冠词,表特指; 第二空填不定冠词,是因为lunch前带有描给性修饰语,a packed lunch在此指“打包的午餐”。此句出自《D7-2005年版》的lunch词条:The walk is expected to last all day so bring a packed lunch.