1B (đoạn 1, dòng 2 "Nha Trang is famous for seaside resorts")
2D (đoạn 2, dòng 2 "In the morning and afternoon, tourists can take part in various fascinating outdoor activities such as mud bathing, swimming, snorkeling or scuba diving")
3C (đoạn 2, dòng cuối "This aquarium is now home to different kinds of colorful fish and even a few sharks")
4A (đoạn cuối, dòng 1 "In addition, tourists can spend an evening visiting a fishing village, where they could get a taste of the local seafood)
5C (A là "Nha Trang is famous for seaside resorts", B là "One of the most enjoyable trips is the trip to Mieu Island, where Tri Nguyen Aquarium was built in 1999", D là "There are crabs, shrimps, lobsters, clams, oysters and several other kinds of fish - all are fresh and delicious")