关于they these those

关于they these those 关于they these those的用法 怎样运用“they"、"these"、"those"? those these they怎么区分? we they these those 造句.急! Are those apple?No,[they these their] these are (they)books.those are (your) 用these\those\they造3个句子,加汉意 these those they the there this that 怎样用 怎样区分? These are___(we) pencils,and those are ___(they) pencils. these those they the there this that this 怎么用 什么时候用these those they this that如题