some of the rescue workers and doctors were t( )under the ruins(括号处填什么)

some of the rescue workers and doctors were t( )under the ruins(括号处填什么)

填trapped
语法分析：be+动词过去分词表被动
这里是要用被困在废墟下面,表被动.
意思是一些营救人员和医生被困在废墟底下.

trapped
be trapped under the ruins
被困在废墟下面

trapped.....