问题
选择题
— Who invented _____ cell phone?
— I don't know. Maybe _____ European. [ ]
A. the; an
B. the; a
C. /; /
D. a; the
答案
答案：B
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— Who invented _____ cell phone?
— I don't know. Maybe _____ European. [ ]
A. the; an
B. the; a
C. /; /
D. a; the
答案：B