◎ 题干
The early warning of floods, _____ over the radio and on TV, spread quickly through the area.

A. having broadcast
B. broadcasting
C. broadcast
D. to be broadcast
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The early warning of floods, _____ over the radio and on TV, spread quickly through the area. [ ]A. having broadcast B. broadcasting C. broadcast D. to be b…”主要考查了你对  【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。