----- Nội dung dịch tự động từ ảnh ----- VIII. Find a synonym (1-3) and an antonym (4-6) 1. Solar energy should be used as an alternative source because it doesn't destroy the environment. A. harm B. transform C. require D. preserve 2. many teenagers have difficulty in coping with negative emotions such as jealousy and frustration. A. ideas B. feelings C. behaviors D. opinions 3. Due to the thick fog the final match will be put off till next Sunday. A. postponed B. observed C. monitored D. replaced 4. The headmaster said that he would be available at his office the whole morning. A. ready B. free C. busy D. cautious eyes. 5. As we know, for an object to be visible, light must travel from that object to a person's A. that can't be seen B. that can't be changed C. that can't be colored D. that can't be measured 6. The young clerk didn't know how to deal with this complicated matter. B. serious C. important A. urgent D. simple