問題詳情

11. The old garage suddenly collapsed one day. Luckily the owner wasn't in there or he _____killed.
(A) can have been
(B) could be
(C) could have been
(D) must have been

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)