英语 单数 复数 问题Early to bed and early to rise ____ a man healthy

英语 单数 复数 问题
Early to bed and early to rise ____ a man healthy,wealthy and wise. 为什么 填 is taken 不填 are taken
When I was still a child,my father taught me that truth and honesty ____ good virtue. 填 is 不填 are 谢谢
谢谢一楼和二楼的 那什么时候当作整体 又什么时候当作分开的呢?