题干
Volunteering our time to help these people is a good way to spend our free time. 志愿帮助这些人是一种度过我们闲暇时间的好方式。
点拨：Volunteering our time to help these people是动名词短语，在句子中作主语，谓语动词用单数形式。如：
Helping others ____ (make) me feel happy.
答案(点此获取答案解析）
makes
