第20题: [单项选择]The number of the United States citizens who are {{U}}eligible{{/U}} to vote continues to increase. A. encouraged B. enforced C. expected D. entitled 参考答案:D 答案解析:eligible:有资格的。Those who have a mountain bike are eligible to join the club.拥有山地自行车的人有资格加人此俱乐部。entitl