Several people w____________(目击)the accident in which eight people were injured.

问题描述:

Several people w____________(目击)the accident in which eight people were injured.
a.witness b.witnessed
选哪个?为什么?

b.witnessed 因为是过去发生的事情,"eight people WERE injured" 记住:出问题的老师会在问题里留下线索的.