This pencil-case is five and ten.

This is his pencil case. Is this your pencil case中文 this is his pencil case 复数句 This pencil-case is five and ten. This is ( )eraser. ( )eraser is in the pencil case . is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil(is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil)连词成句 the pencil case is( ). Exuse me!Is this your pencil case?改为复数形式 This is my pencil case改为复数形式 is this a pen ___ your pencil case This is a pencil case.(改为复数句子） 将this is a pencil case变为一般疑问句 Is this my pencil case?回答否定回答 is this a pencil case 做肯定回答快 Is this a pencil case?能这样写吗? This is a new pen.( ) it in your pencil case 把this is her pencil case 改为一般疑问句 This is my new pencil case 改为一般疑问句