there is a pen ,a towe ,I a toy and a key ring in my book.改错

there is a pen 对a 提问 可以说There is a pen here吗 There is a pen.的问句 There is a pen and a pencil 还是There are a pen and a pencil This is a pen,and ____is a pencil over there there _ a pen and abook A.is B.are I_______buy a new pen because there there is no pen in my pencilcase. there is a pen in the pencilbox对a pen 划线提问对句中的a pen 划线提问啊 there is a pen.对划线部分a pen提问一哈就忘记怎么说了 There is a pen in my pencil case改为I () a pen in my pencil case There is a pen on the desk.(对a pen 提问.)____________on the desk? a pen is there in bag the 连词成句 there is a pen on the desk 变为复数 There is a pen in my bag.【改为一般疑问句】 there is a pen on the table.pass_____to me plese. Look!There is a pen __(lie) on the ground. There is a pen on the desk 同义句转换 There is ( ) “P,( )“E”and ( )N in pen.(a/an)