----- Nội dung dịch tự động từ ảnh ----- 27. The graduation is sad, because the time we studied together has come to an end. D. changed A. succeeded B. begun C. finished 28. Under the major's able leadership, the soldiers found safety. A. guidance B. intensity C. flagship D. ability Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 29. If you follow these simple rules, not only will you save money, but also the environment will be cleaner. A. earn B. count C. waste D. replace 30. Animal communication is not a straightforward subject. It's complicated because animals communicate differently with each other. A. impossible to express C. easy to interpret B. difficult to understand D. interesting to study