問題詳情

20. ( ) Zola: George is__________ in the garden. Mom: He is very happy. Mary kissed him today. 

 
(A) sing
(B) sings
(C) to sing
(D) singing

參考答案

答案:D
難度:簡單0.727273
統計:A(2),B(0),C(1),D(8),E(0)