10. The committee has A. cut down a survey of parking problems in residential areas. D. carried out understand the topic more. C. worked out B. come around materials, they 11. If they spend more time reading A. should B. could 12. Drinking plenty of water can help A. gain weight B. minimize B. intellectual 13. The sports teachers are trying to help A. mental C. might D. would the risk of heart diseases. C. bring about D. overcome C. emotional C. maintained develop the 14. Young people need to be aware of the risks A. related 15. I wish he with them. B. associated well-being of their studer D. physical with smoking and taking drugs D. appeared complaining about his parents and had a heart-to-heart conversat B. stops A. will stop C. has stopped D. stopped