問題詳情

28. The airport was closed because of the typhoon. It remained unknown _________.
(A) when it would reopen
(B) would it reopen
(C) if it will reopen
(D) when would it reopen

參考答案

答案：A
難度：非常簡單1
統計：A(2),B(0),C(0),D(0),E(0)