1．News reports say peace talks between the two countries ________ with no agreement reached.
A．have broken down B．have broken out
C．have broken in D．have broken up
解析：该题考查动词短语的用法区别。break down表示“(计划、谈判等)失败；坚持不下去了”；break out表示“(战争、火灾、疾病等)爆发；发生”；break in意思是“强行进入；插嘴”；break up表示“分开；拆散；散会；放学”。根据句中with no agreement reached可知，两国和平谈判失败。
答案：A
2．—The ceremony has already started.
—Look！The flag is ________ now.
A．being raised B．risen C．being rose D．raising
解析：本题考查时态和语态。is being raised表示“正在被升起”。
答案：A
