It'sdifficulTforustolearnalessoninlife we’ve actu...
问题详情：
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
知识点：连词
题型：选择题
问题详情：
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
知识点：连词
题型：选择题
