阅读短文，然后从方框中选出可以填入文中空白处的单词。
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What’s the most popular school activity among American students? The____ is the school dance. Most American high schools have at least two dances ____ the year, one in winter and the other in spring. Students attend these events ____ it’s a great opportunity for them to meet ____ friends.
At the dance, there will be snacks and photo booths (机器拍照亭), as well as strict（严格的） rules to ____ create a healthy and enjoyable evening for all students. And all the dancers will be given a security check（安检）before they come into the dance ____ . This is acceptable. But some rules may be a little bit over the top（过分). For example, a school once asked ____ students to keep a standing position while they were dancing. That ____ the students couldn’t do anything freely. You’d ____ not break the rules because you’ll be asked to leave there, or even worse, be placed on a do not invite list.
