Mary used to take advantage of the lunch hour to have short sleep in her office.A. /; th

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

A. /; the B. the; theC. 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。

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