... D. is painting11. This book provides students ____________ useful tips that help them to pass the coming exam.A. on B. about C. for D. with 12. After Mary ___________ her degree, she intends ... _______ are destroyed.31. A. country B. planet C. society D. life32. A. oxygen B. dioxide C. carbon D. ozone33. A. poor B. developing C. European D. rich34. a. risk B. danger C. accidents D. ... said to be immune to that disease. This means that his body has developed away of fighting the germs. However, people do not seem to become immune from colds. This fact puzzled thescientists...