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问题详情：________moreaboutwhatisincludedintheactivities，pleasevisitwww.playforfun.com.A．Know B．KnowingC．Havingknown D．Toknow【回答】D考查非谓语动词。句意：想了解更多活动内容，请访问www.playforfun.com。根据语...