1） 指示代词分单数（this / that）和复数（these / those）两种形式,既可作限定词又可做代词,例如：单数 复数限定词：This girl is Mary. Those men are myteachers.代词： This is Mary. Those are myteachers.2) ...亲，这些我都抄下来了，还有别的吗？