这个用or
否定句或疑问句里用or, 肯定句里用and,
比如这句要是用陈述句的肯定说法是
She has sisters and brothers她有兄弟姐妹
陈述句的否定说法是
She has no sister(s) or brother(s)她没有兄弟姐妹
这个用or
否定句或疑问句里用or, 肯定句里用and,
比如这句要是用陈述句的肯定说法是
She has sisters and brothers她有兄弟姐妹
陈述句的否定说法是
She has no sister(s) or brother(s)她没有兄弟姐妹