What principle does the Hyde School operate on?

What principle does the Hyde School operate on? 2.What maxis of the cooperative principle does the following the doctor needs operate on him 还是needs to operate? If you were the principle of our school,what would you do to The doctor will operate on the patient. What time does school start on Monday?怎么回答 What does mike do on Thureday after school? what does amy have on the day? What does the girl put on? What does “@”on the Internet stand for? What time does the bus a_____at the school what time does the school start andfinish什么意思