Americansnowcarryaro的精选

问题详情：Americansnowcarryaround270millionguns，________themthemostheavilyarmedpeopleintheworld，CNNreported.A．tomake B．makingC．made D．havingmade【回答】B[句意：据CNN报道，美国人现在持有2.7亿把*支，这使得他们成为...