8.It is difficult for us to learn a lesson in life ____we’ve actually had that lesson.(A)until (B) a

問題詳情

8.It is difficult for us to learn a lesson in life ____we’ve actually had that lesson.
(A)until
(B) after
(C) since
(D) when

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