問題詳情

(  )12.Sometimes the wind can get so strong that it blows down the roofs ________ houses.
(A) off 
(B) under 
(C) on 
(D) in

參考答案

答案:A
難度:適中0.542857
統計:A(38),B(8),C(15),D(9),E(0)

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