問題詳情

27. Scientists think that the continents ______ always where they _______ today.
(A) aren’t; are
(B) aren’t; were
(C) weren’t; are
(D) weren’t; were

參考答案

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