his pen iei 填什么 the pencil case

his pen iei 填什么 the pencil case His pen is in the pencil case 改为否定句 He didn't__(放)his pen in the pencil case There_____no pen in the pencil case.填be动词 he his the pen puts in pencil-case(连词成句) There isa pencil in the Pencil case对a Pen __________your ruler in the pencil case?横线上应填什么? the pen is ( )the ruler ( )the pencil case 聪明的朋友.英语介词回答,his eraser is----the pencil case 怎么填啊 My pen is in the pencil case改为一般疑问句? five pencils are 什么 the pencil case. He has a pen in the pencil case.请对“a pen"提问