【题目】Everyone ________ (want) to take part in the activity because they think it is meaningful.
【答案】wants
【解析】
句意为:每个人都想参加这个活动,因为他们认为它是有意义的。根据is可知时态为一般现在时,主语为Everyone,谓语动词应用单三形式,故填wants。