问题
选择题
Thomas Edison never gave up. During his lifetime, he had 1,093 _____. [ ]
A. instructions
B. competitions
C. inventions
D. injections
答案
答案：C
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Thomas Edison never gave up. During his lifetime, he had 1,093 _____. [ ]
A. instructions
B. competitions
C. inventions
D. injections
答案：C