問題詳情

27. A lot of debris ____________ at the site of explosion for quite a while.
(A)was left 
(B)were left 
(C)have been left 
(D)has been left

參考答案

答案:D
難度:適中0.413793
統計:A(9),B(8),C(26),D(36),E(0)

用户評論

冒險男】評論

為何呢?

comida y bebi】評論

debris是不可數名詞所以用單數動詞

dazzle】評論

debris