問題詳情

14.( )A:   B:Art Fry, a famous scientist in the USA
(A) What did Art Fry invent?
(B) Who invented post-it notes?
(C) How did Art Fry invent?
(D) Did Art Fry invent post-it notes?

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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