专题二代词单数 复数 用法this these一般用来指在时间或空间上较近的事物或人。These are my toys!这些是我的玩具！指下面将要讲到的事物。What I want to say is this: pronunciation is very important in learning English. 我想说的是：发音在英语学习中非常重要。单数 复数 用法that those指时间和空间上较远的事物或人。In those days the workers had a hard time. 在那些日子里工人们过着艰苦的时光。指前面讲到过的事物。I had a cold. Thats why I didnt come. 我感冒了。那是我没来的原因。有时为了避免重复前面提到的名词，常用that 或those 代替。TV sets made in Beijing are just as good as those made in Shanghai. 北京制造的电视机和上海制造的一样好。疑问代词 意义 基本用法 例句who 谁 主语、表语、宾语Who are you waiti
