問題詳情

32. _________ from space, our earth, with water covering70% of its surface, appearsas a “blue planet”.
(A)Seen
(B)Seeing
(C) To be seen
(D)Having seen

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)