問題詳情

25. Ivy: What do policemen do?Dad: They are people who ______ to catch bad people and protect good ones.
(A) trained
(B) are trained
(C) were training
(D) train

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)