This is his ruler(改为复数句) That is my key(改为复数句) These are his brother

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. This is his ruler(改为复数句) That is my key(改为复数句) These are his brother is this his ruler.的肯定回答 Is this your ruler?改为同义句 This is a ruler 改为一般疑问句 This is a ruler改为一般疑问句 Is this her ruler?改为同义句. This is my ruler (改为否定句) This is my ruler.(改为一般疑问句) this is a ruler 改为复数 Is this ruler?(改为否定句） 用英语单词 联句 1 it,is,no,his,pencilbox.2 This,is ,pencil box,hers.This is her pencil box (改为否定句）Is this your ruler?(同义词转换）Is( ) ruler ( ) 把英文陈述句改为一般疑问句 1.that is a blue ruler 2.it is his pencil 3.this is her pencil-case4.that is his green cup ___________ It's his,I thinkA.Whose ruler is this B.Where's his ruler? his,is,this,not,ruler.连词成句 This ruler is for you .改为一般疑问句,怎么改? [紧急求助]This is a ruler.改为否定句