Task 4. Составьте к предложению вопрос и дайте отрицательный ответ. Example: It is a printer. → Is this your printer?

It is a printer. → Is this your printer? – No, it isn`t. It is not my printer. It is my brother’s printer. 1. Mike is your friend. - Is Mike your friend? No, he isn\'t. He is my brother. 2. They are engineers. - Are they engineers? No, they aren\'t. They are doctors. 3. These are codes. - Are these codes? No, they aren\'t. They are letters. 4. It is your file. - Is it your file? No, it isn\'t. It is my sister\'s file. 5. This is a display. - Is this a science display? No, it isn\'t. This is a theatre display. 6. This computer is yours. - Is this yours computer? No, it isn\'t. It is my father\'s computer. 7. He is a schoolboy. - Is he a schoolboy? No, he isn\'t. He is a university student.