Read the passage and then answer the questions below. (1pt) In the summer holiday, Mr. and Mrs. Brown and their children, Peter and Susan often go to the beach for two or three days. They always go to Vung Tau in the south of Viet Nam. They usually stay in a small house or a flat by the sea, but sometimes they stay in a hotel. Last summer, they went to Nha Trang. They stayed at the Sun Shine hotel for three days. In the morning, Peter played soccer with his father on the beach. Susan and her mother walked long the beach and built sand castles. They visited Tri Nguyen aquarium and saw different kinds of fish there. They also bought a lot of souvenirs for friends. 1. Where do the Browns often go for their summer vacation? 2. Where did they go last summer? 3. How long did they stay there? 4. What did Susan and her mother do in the morning?