The leading causes of(+N) (23) in many developing countries are now heart disease, cancer, accident, flu, pneumonia etc. Moreover cigarettes, alcohol, physical inactivity and overeating also add to the causes of several of these killing diseases. Medicine has little help to offer, however, to persons<chỉ người> (24) can not rid (25) habits harmful to their health. Surgery is the only (26) to offer any chance of survival for people (27) lung cancer. 23. A. die B. died C. death D. dead 24. A. who B. whose C. which D. when 25. A. up B. with C. of D. off 26. A. means B. way C. road D. path 27. A. by B. in C. with D. of Mình cần lời giải chi tiết nha