问题
选择题
______ invented light bulb. [ ]
A. Guglielmo Marconi
B. Thomas Edison
C. Eilbur Wright
D. Karl Benz
答案
答案：B
搜题请搜索小程序“爱下问搜题”
______ invented light bulb. [ ]
A. Guglielmo Marconi
B. Thomas Edison
C. Eilbur Wright
D. Karl Benz
答案：B