Question 1:
The boys said that they were picking up litter on the beach then.

Question 2:
Before Lucas arrives at the restaurant, we will not order our meals.

Question 1:
During a flood, you should listen to the instructions of local authorities.

Question 2:
Mars is one of the most promising planets for life in the solar system.

One natural disaster that often happens in Vietnam is flooding. Every year, during the rainy season, many areas—especially in central regions—are heavily affected. Continuous heavy rain causes rivers to overflow, and water quickly covers houses, roads, and farmland. Floods can damage property, destroy crops, and even threaten people’s lives. Many families have to leave their homes and move to safer places. To reduce the effects, the government builds dams and warns people early. Everyone should be careful and prepare well to stay safe during floods.

One natural disaster that often happens in Vietnam is flooding. Every year, during the rainy season, many areas—especially in central regions—are heavily affected. Continuous heavy rain causes rivers to overflow, and water quickly covers houses, roads, and farmland. Floods can damage property, destroy crops, and even threaten people’s lives. Many families have to leave their homes and move to safer places. To reduce the effects, the government builds dams and warns people early. Everyone should be careful and prepare well to stay safe during floods.

One natural disaster that often happens in Vietnam is flooding. Every year, during the rainy season, many areas—especially in central regions—are heavily affected. Continuous heavy rain causes rivers to overflow, and water quickly covers houses, roads, and farmland. Floods can damage property, destroy crops, and even threaten people’s lives. Many families have to leave their homes and move to safer places. To reduce the effects, the government builds dams and warns people early. Everyone should be careful and prepare well to stay safe during floods.