陈述句改为一般疑问句,并回答 1.That is a blackboard?-___ that a blackboard

陈述句改为一般疑问句,并回答 1.That is a blackboard?-___ that a blackboard That is a blackboard 改成一般疑问句 把That is a desk改为一般疑问句并作肯定回答,否定回答 英语翻译it is a photo.改为复数句that is my grandfather.改为一般疑问句并作否定回答a 1That is a book.(改为一般疑问句,并作否定回答） This is my dictionary.(改为一边 that is a bed改为一般疑问句 That is a map.改为一般疑问句 That is a ruler.改为一般疑问句 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.th that is Mary 改为一般疑问句并做肯定回答 our teacher is writing on the blackboard.改为一般疑问句 Is that a dictionary?改肯定句,并作否定回答 I can spell watch（改为一般疑问句）