is this his ruler.的肯定回答

is this his ruler.的肯定回答 一般疑问句和肯否定回答:This is a ruler This is his ruler.(改为否定句) This is his ruler.改为否定句.是不是This is not his ruler. ___________ It's his,I thinkA.Whose ruler is this B.Where's his ruler? his,is,this,not,ruler.连词成句 Is this his English-Chinese dictionary.改为肯定式陈述句 whose ruler is this的同义句 is this her ruler?的同义句 Whose ruler is this? Is this red ruler ( ( ) ruler is this? this is my ruler.that is his dictionary.this is my uncle.these are his pens.复数,复数 Is his name Mike的答语（肯否定）是用it还是he Is Gina youIs his name Mike的答语（肯否定）是用it还是heIs Gina your friend的答语（肯否定）是用is还是her呢Is this your friend的答语（肯否定）是用it还是he呢 英语写负数形式的句子This is a ruler.Is that his book?It is an eraser.That is my brother. is my ruler and that his book is (.)that 是 this Is this his sharpener?改成肯定句 还有That is her ruler改成否定句! this is( )ruler.写什么