問題詳情

21. It’s very important _______ people who you don’t know.
(A) to learn respecting
(B) learning to respect (尊重)
(C) to learning respecting
(D) to learn to respect

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)