哪里错了。麻烦你帮我改一下吧

　　1．Mr Zheng ______is reading_________ (read) a book now. 2. The rabbits ______are jumping___________ (jump) now. 3.. Look ! Tom and John ____are swimming____________ (swim). 4. My brother _______is making__________ (make) a kite in his room now. 5. Look! The bus _____stopping__________ (stop). 6. We ____are having___________ (have) an English class now. 7. Listen! Someone is____coming______________(come). 9. He _____is doing_________________ (do) an experiment now. 10. They ___are collecting__________________(collect) stamps now. 11. Look! He ___is diving______ (dive) now. 13. The doctors ______are getting_______________ (get ) off the bus. 14. Come on. They _____are leaving____________ ( leave ) now. 15. It ____is eatting___________________ (eat) fish now. 16. My father _____is working_____________(work) in the office now. 17. Where is your mother? She _______is answering_________________ (answer) the phone.