第23题: [单项选择]______ retire are still able to receive pension that they have paid into the social security system during their working days.
A. Most people B. since most people C. Most people are D. Most people who 参考答案:D 答案解析:______ retire(动词,但又不是谓语) are still able to receive (谓语部分)pension 宾语that they have paid into the soci