There is not a pen in my pencil-case.和 I'll show you picture

There is not a pen in my pencil-case.和 I'll show you picture There is a pen in my pencil case改为I () a pen in my pencil ca There is a pen in my pencil case.【改为同义句】 1.There is a pen in my pencil case.（同义句） There isa pencil in the Pencil case对a Pen There is n______ but a rencil in my pencil case. My pen is in my pencil case.(对in my pencil case提问) My pen is in my pencil case.(改为一般疑问句) 划线部分提问 There is a pen in the pencil-case.(划线部分是a) My pen is in pencil case.哪里错了? My pen is in pencil case.中有处错误请改正 my pen is in pencil case 哪里错了?