keep pencils and pens 啥意思

They have pens,pencils and notebook ( ) very What( ) in the case?Three pens and two pencils The school things i pens ,pencils ,erasers and books They have biack pens and yellow pencils.[改为一般疑问句] _____ your pens and pencils in your pencil-box. He has some pencils and pens对划线部分提问 划线部分是：some pencils 英语翻译there have not always been pencils and pens,rulers and b No one will use pens chalks and pencils.是否定句吗?为什么用and 一个英语句子Tom has two pens and pencils .在这句话中,Tom 是有two pens 和tw They have pens,pencils and notebooks ( 填介词 )very good prices we write_ pencils and pens A.at B.to C.with D.for That store sells nice pens and pencils to students 改为同义句 Stu