改错 There are a pen and tow books on the desk.

改错 There are a pen and tow books on the desk. There is a pen and a pencil 还是There are a pen and a pencil 改错 Are there a cat near here? There are a pair of sunglasses.改错! there _ a pen and abook A.is B.are ()3.There are some () on the table.A.pen B.pens C.a pen There is two pencils and a pen in the box改错 there is a pen ,a towe ,I a toy and a key ring in my book.改错 is this a youe pen 怎样改错 this is a pen on English.改错 This's a red pen怎么改错? That is her a red pen.改错 Here are a pen and two books for you改错说明理由, 改错An alarm clock and a pen are on the desk . How many floors are there in the Building A?(改错) How many season are there in a year 改错 Are there a path here?（改错句）鸡鸡鸡鸡鸡 there are a various of cars in our country.改错