問題詳情

9. I believe that someone _____ into the house while she was out shopping.
(A)has broken
(B)must have broken
(C)would have broken
(D)can have broken

參考答案

答案:B
難度:適中0.635514
統計:A(32),B(136),C(34),D(0),E(0)

用户評論

Dory Chao】評論

must + V原 =對現況的推論must + have + p.p = 對過去的推論