题目内容
Thomas Edison invented _______ light bulb (灯泡).He was _______ unusual man.
A.a; a B.an; the C.the; an D.a; /
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题目内容
Thomas Edison invented _______ light bulb (灯泡).He was _______ unusual man.
A.a; a B.an; the C.the; an D.a; /