問題詳情
【題組】47.( ) In the fall 1973, in an effort to bring attention to the conflict between Egypt and Israel, WorldHello Day was born. Since then, World Hello Day-November 21st of every year-observed by people in 180 contries.
(A) is
(B) has been
(C) was
(D) had been
參考答案
答案：B[無官方正解]
難度：適中0.692308
統計：A(0),B(9),C(0),D(2),E(0)
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