Angkor Wat is the largest religious monument in the world.

• C. No other religious monument in the world is larger than Angkor Wat.

Dinh Bang Communal house, a 300-year-old communal house, was built for 36 years.

• C. Dinh Bang Communal house, which is a 300-year-old communal house, was built for 36 years.

Windsor Castle was built a thousand years ago and is the home for about 40 English kings and queens.

• A. Windsor Castle, which was built a thousand years ago, is the home for about 40 English kings and queens.

In the past, Vietnamese people used to have black teeth and wear hair buns.

• D. Vietnamese people often had black teeth and wore hair buns.

Many of Ha Noi’s centuries-old monuments and palaces were destroyed by foreign aggression, but there remain several historical and scenic points.

• C. Although many of Ha Noi’s centuries-old monuments and palaces were destroyed by foreign aggression, there remain several historical and scenic points.