----- Nội dung ảnh ----- Vietnam is home to Ha Long Bay, a breathtaking natural wonder located in the northern region of the country. This UNESCO World Heritage site is renowned for its emerald waters and thousands of limestone islands (15) ______ with lush greenery. Ha Long Bay is steeped in legends, (16) ______ tell of dragons descending to protect the land by creating the bay's islands with their tails. Visitors to Ha Long Bay can explore its beauty through activities like kayaking, cave exploration, and sightseeing cruises. Its serene landscapes and unique biodiversity make it a (17) ______ destination for nature lovers. The government has introduced measures to ensure that the bay's pristine environment is preserved for (18) ______ generations to enjoy.
15. A. covered B. covering C. cover D. that 16. A. which B. who C. where D. that 17. A. favored B. favoring C. favorite D. futurism 18. A. future B. futuristic C. futures D. favor
