1.She______(结束)her talk with a funny story.用finish还是complete还是其他什么的 2.-How did she get infected? -Because she ______ the viruses without any protection. A.had exposed to B.exposed to C.had exposed D.had benn exposed to 3.So simple-minded is he that he always_____things without thinking them over. A.receive B.absorb C.export D.introduce 4.-The lights were left burning all night long. -Yes.It seems that Zhang Peng is ____.He was the last to leave. A.blaming B.blamed C.to blame D.to be blamed 谢谢!