Помогите пожалуйста не могу сделать номер 5! Знатоки не проходи мимо! СрочнО!

1. John spends a lot of time STUDYING geography. 2.  Max has an unhappy SITUATION at home. 3. At the university students get important information about PLANTS and ANIMALS and NATURE. 4. Mr Wilson has SEVERAL cars in his garage. 5. Mr Green is a teacher. His students always do EVERYTHING he asks them to do. 6. There were many HUMAN BEINGS on the list whose names I didn't know.