问题
选择题
All of ______ sudden an idea flashed in her mind: she decided to save one or two pennies at ______ time
at the grocery. [ ]
A. a; the
B. /; a
C. the; a
D. a; a
答案
答案：D
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All of ______ sudden an idea flashed in her mind: she decided to save one or two pennies at ______ time
at the grocery. [ ]
A. a; the
B. /; a
C. the; a
D. a; a
答案：D