Đọc kỹ đoạn văn sau và chọn đáp án đúng (ứng với A, B, C hoặc D) để điền vào chỗ trống từ 31 đến 35. Singapore is an island city of about three million people. It’s a beautiful city with lots of parks and open spaces. It’s also a very (1) city. Most of the people (2) in high-rise flats in different parts of the island. The business district is very modern with (3) of high new office buildings. Singapore also has some nice older sections. In Chinatown, there (4) rows of old shop houses. The government buildings in Singapore are very beautiful and date from the colonial days. Singapore is famous (5) its shops and restaurants. There are many good shopping centers. Most of the goods are duty free. Singapore’s restaurants sell Chinese, Indian, Malay and European food, and the prices are quite reasonable.