It'sdifficulTforustolearnalessoninlife we’ve actu...
問題詳情：
It's difficulT for us to learn a lesson in life we’ve actually had that lesson.
A. while B. since C. until D. when
【回答】
C
知識點：連詞
題型：選擇題
問題詳情：
It's difficulT for us to learn a lesson in life we’ve actually had that lesson.
A. while B. since C. until D. when
【回答】
C
知識點：連詞
題型：選擇題
