题文
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 |
推荐试卷
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 |
试题篮
()
粤公网安备 44130202000953号
