就在昨天，我们的家庭有机会在由美国广播公司主办的活动中，向这些流动儿童捐赠美术用品。
Just yesterday our family had the chance to donate art supplies to these migrant children at an event sponsored by ABC.
可以考虑参加公司主办的垒球队或其他活动。
Consider joining the company-sponsored softball team or other activities.
一个著名的公司主办了这场表演。
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