----- Nội dung dịch tự động từ ảnh ----- 10. It was guessed that the fish died A. since a powerful toxin in the sea water. D. because B. because of C. as a result Đáp án của bạn: A B D 11. If it rains, we the match. A. cancelled B. cancelling C. cancel D. will cancel Đáp án của bạn: ABC D the death of many aquatic 12. Ships spill oil in oceans and rivers. This leads animals and plants. A. to В. in C. at D. from Đáp án của bạn: ABCD 13. Radioactive pollution is increasing A. because of the increased use of radioactivity. B. because С. as D. since