Question

It is difficult for us to learn a lesson in life ______ we’ve actually had that lesson. A． u.

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

Answer 1

A

试题分析：句意：在我们的生命中，直到我们真正经历那一课才会学会那一课。Until直到 ……才after在…… 之后since自从when当…… 时候，可知选A。