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Question 28. Recent oil spills have _________ a real threat to the existence of many marine species. A. addressed B. posed C. attached D. en...
Thuộc tài liệu:7. TỪ VỰNG NÂNG CAO CHỦ ĐỀ: WILDLIFE CONSERVATION
Đề bài
Question 28. Recent oil spills have _________ a real threat to the existence of many marine species.
A. addressed
B. posed
C. attached
D. enclosed