问题
选择题
—Could you tell me whom the radio _____ by?
—Sorry, I have no idea. [ ]
A. invents
B. invented
C. is invented
D. was invented
答案
答案：D
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—Could you tell me whom the radio _____ by?
—Sorry, I have no idea. [ ]
A. invents
B. invented
C. is invented
D. was invented
答案：D