問題詳情

【題組】35. We saw a guard dog ________ a thief, because he was seen _______ a house.
(A) chasing, to break into
(B) chased, breaking into
(C) to chase, to break into
(D) chasing, broken into

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)