1. That's a blackboard.(变否定句) 2. She is in Class Three.(对划线部分提问)___ ___ is she?

问题描述:

1. That's a blackboard.(变否定句) 2. She is in Class Three.(对划线部分提问)___ ___ is she?
3.She is thirteen years old.(对划线部分提问)4. ls this a car?(作出肯定回答和否定回答)

1.That isn't a blackboard./ That's not a blackboard.
2.Which class
3.How old is she?
4.肯定:Yes,it is.
否定:No,it isn't.