問題詳情

10. After my teacher retired, he worked as a______ in an orphanage and devoted most of his time to the childrenthere.
(A) patient
(B) vegetarian
(C) lawmaker
(D) volunteer

參考答案

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