只有年满21岁的人才有资格参加这次抽奖活动。

Only people who are 21 or older are ___eligible to enter this raffle.

他是镇上最受欢迎的单身汉之一，很多家庭都想与他联姻。

He is one of the most ___eligible bachelors in town, sought after by many families.