Question

1. The UN officials arranged a peaceful talk between the two countries, the people       

       . (war)

联合国官员在这两国之间安排了一次和平谈判，当时两国正在交战。

Answer 1

1. of which were at war考查介词+关系代词引导的定语从句的用法。在该种用法中，有三个常用关系代词：which(指物或事情).whom(指人). whose(... 的)。(be) at war交战。