第 44 课: 复习第四部分-4

a sister and brother and their mother 姐弟俩和他们的母亲

a husband and a wife and their daughter 一对夫妇和他们的女儿

a sister and brother with their parents 姐弟俩和他们的父母

a sister and a brother without their parents 姐姐和弟弟

Somebody is riding the horse. 有人在骑马

Nobody is riding the horse. 没有人在骑马

Something is on the plate. 盘子上有东西

Nothing is on the plate. 盘子上没有东西