用not、this、her、is、case、pencil一句话再用pen、that、his、is

用not、this、her、is、case、pencil一句话再用pen、that、his、is thae is my pen.that is his desk.this is her pen-case.that is This is his pencil case. not it her is pencil case this is his pencil case 复数句 Is that () pencil case His pen is in the pencil case 改为否定句 Is __ your pen ?That is his pen. A.that B.this C.her D.his. is this a pen ___ your pencil case This is a new pen.( ) it in your pencil case 填空：is that her e_____?this is his w____?is that a pencil ___ 把this is her pencil case 改为一般疑问句