she is my mum's favourite singer.(改为一般疑问句并作肯定回答）

she is my mum's favourite singer.(改为一般疑问句并作肯定回答） She is my teacher.(改为一般疑问句,并作肯定回答） Jack is my brother's good friend.(改为一般疑问句,并作肯定回答） she is my friend (改为一般疑问句并作肯定回答) My mum is an english teacher.改为一般疑问句并做肯定和否定回答 This is my dictionary.(改为一般疑问句,并作肯定回答） Jack is my brotheris good friend.(改为一般疑问句,并作肯定回答） My favorite subject is history.（改为一般疑问句,并作肯定回答） This is my T-shirt（改为一般疑问句,并作肯定回答） ①This is my sister.(改为一般疑问句并作肯定回答) ②That's my bro She is Sally.改为否定句,并作肯定回答.改为一般疑问句,并作否定回答 My favourite subject is science.(改为一般疑问句并作否定回答)