thisthatthesethose英文,英文

单数 this that it is 复数 these those they are
is that his pencil case are these your keys yes they are.
this these和 that those的用法.ppt
指示代词:this,that,these,those-学易试题君之每日一题君2019学年上
指定代词__this_that_those_these