問題詳情

【題組】47.
(A) understand
(B) to understand
(C) understood
(D) understandingSource: http://www.babies-and-sign-language.com//image/05/93825gzhxishhuwc.jpg

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)