what are those? these? they are hamburgers. trees. cars.

七年级英语this_is_my_sister课件ppt_word文档在线阅读与下载_无忧

单数 this that it/he/she is 复数 these those they are

these用英语怎么读语音

单数 this that 复数 these those 互为反义词 that this those these