what (is) your mother going to do with your father加括号的地方为什么是is不是are?不是妈妈和爸爸俩个人吗?请具体说明原因
再问一个问题,谢了People are leaving work and are going home.这里是用and连接的,and后面的are不是应该省略的吗?为何书上印上去了