单数 this that it she he is 复数 these those they they they are
单数 this that it is 复数 these those they are
这 (单数) 这些 (复数) this --- these
单数 this that it/he/she is 复数 these those they are
this / that is my sister.
单数 this that it she he is 复数 these those they they they are
单数 this that it is 复数 these those they are
这 (单数) 这些 (复数) this --- these
单数 this that it/he/she is 复数 these those they are
this / that is my sister.