there is n but a pencil in mypencil-case.

There is ( ) “P,( )“E”and ( )N in pen.(a/an) 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 n but a pencil in mypencil-case. 选词填空[aren't are is are isn't ][ ]there a desk in your room?there[ ]a pen,but there is a pencilhow many rivers[ ]there?[ ]there any mountains?there[ ]many trees.there is only one. There is a pen and a pencil 还是There are a pen and a pencil I_______buy a new pen because there there is no pen in my pencilcase. There is ( ) “P,( )“E”and ( )N in pen.(a/an)好吧看似简单却让人费解有人说是填a,an, There is ___ u,___ s and ___ e in use.(a/an)出错题了! 应该是这道题 There is ( ) “P,( )“E”and ( )N in pen.(a/an) This is a pen,and ____is a pencil over there there _ a pen and abook A.is B.are this is ------- -------- （pen).There are -------- (pen).填空 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 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.