树木使道路像隧道一样黑暗。

The trees ___rendered the road as dark as a tunnel.

听到这个消息，她惊得说不出话来。

She was ___rendered speechless upon hearing the news.

医疗保健不足加上体质不可避免地恶化，这是老年时期的常见伴随症状，使老年人暴露在疾病和伤害之下，这些可能对他们的生活造成严重破坏。

Inadequate medical care coupled with inevitable worsening of constitution, which is a usual concomitant of an elderly age, ___renders the old exposed to illnesses and injuries which may wreak havoc with their lives.