[填空题]News Item 23 Shootings like the one that 1 (____) on November 30 at Oxford High School in Michigan are not 2 (____) in the United States. The Oxford shooter killed four students and wounded seven others. Education Week tracks school shootings. It has found 31 shootings this year that had at least one death. A Washington Post 3 (____) found that more than 278,000 students have experienced gun 4 (____) at schools since the Columbine High School shooting in April, 1999. School officials, lawmakers and others are trying different ways to 5 (____) school shootings or reduce the number of deaths. Many schools practice “active shooter drills,” which are meant to 6 (____) students and staff for a real event. Other schools place police officers in and around their buildings. In Oxford, the parents of the shooter are being 7 (____) with a crime in 8 (____) with the killings. Karen McDonald is the Oxford County lead prosecutor. She 9 (____) that James and Jennifer Crumbley, parents of the shooter Ethan Crumbley, could have 10 (____) the attack. A occurred B uncommon C investigation D violence E prevent F prepare G charged H connection I argues J prevented