This is (a ruler)in English.对括号里的提问!________this______._______

what is this in English 能不能回答This is a ruler.还是回答It is a ruler. This is a ruler(对a ruler提问) ----- -----this? This is a red ruler 用a red ruler 提问 This is a red apple.该成疑问句 lt‘s a ruler in English .对a ruler提问 This is a ruler 改为一般疑问句 This is a ruler改为一般疑问句 Is this a ruler.(做否定回答) is,a,this,red,ruler 连成句 this is a ruler 改为复数 this ruler is-----?a:myb:mine this is a ruler.改复数 翻译：and this is a ruler This is a jacket in English.(提问） The ruler is red.(提问） Whis is this?回答A：This is ruler.B：It is a ruler. Is this a ruler.---Yes,this is.（改错） This is (a ruler)in English.对括号里的提问!________this______._______ this is a ruler in english （aruler）画线部分提问 Whose ruler is this?