thisthesethatthose区别,区别

单数 this that it/he/she is 复数 these those they are
pronoun 指示代词 this that these those 不定代词 it
单数 复数 this 这;这个 these 这些 指远处 that 那;那个 those 那些
how much are these those n-s they're
微课课件_this_that_these_thoseppt