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)

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