分类：教育/科学-学习帮助
问题：选择题this,that,these,those.whatare 
what  are  these?they  are   ________.what  are  the?they  are  _________.what's   this? It  is   ________.what's  that? It  is  ________.
回答：
what are these?they are __those______. 
what are those?they are ______,these___. 
what's this? It is ____that____. 
what's that? It is _this_______.