Mary used to take advantage of the lunch hour to have short sleep in her office.
A. /; the
B. the; the
C. the; a
D. /; a
网友回答
A. /; the
B. the; the
C. the; a
(答案→)D. /; a
解析：考查冠词。第一空是固定词组take advantage of利用…；第二空用a short sleep泛指短时间的睡眠。句意：Mary过去常常连用午饭时间来在办公室里短时间睡一会。故D正确。