A pen is on a pencil-box.【改为同义句】

A pen is on a pencil-box.【改为同义句】 there is a pen in my pencil-box.there is an apple on the table. This is a pencil and a pen还是These are a pencil and a pen There is a pen and a pencil 还是There are a pen and a pencil There is a pen in my pencil case改为I () a pen in my pencil case This is a pen and ____ is a pencil. This is a pen,and ____is a pencil over there is this a pen ___ your pencil case This is a new pen.( ) it in your pencil case a book is {}the pencil and the pen.空里填什么? What ________in my pencil-box?There is a pencil,a pen and an easer in it. This is a pencil and a pen还是This are a pencil and a pen,二楼说的也许对，但我只问用IS还是ARE There are some books,a pen and a pencil on the table,________there? Is that a pen?Is that a pencil?(合并为一个选择问句) this is a pen on English.改错 be动词的选择There _____ a pen and a pencil on the desk.这里该用 is 还是 are 请简要缠绵理由. “这是一支铅笔和一支钢笔”怎么翻译?This is a pencil and a pen.还是These are a pencil and a pen. This is Peter's pen and that is ( )pencil,( )a red pencil.(he) 用适当形式填空