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

Question 2: Before Lucas arrives at the restaurant, we won't 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.

Floods are one of the most common and devastating natural disasters in Viet Nam, especially in the central coastal regions. They usually occur from August to November due to heavy rains and powerful typhoons. When a flood happens, water levels rise rapidly, submerging houses, roads, and crops. This causes severe damage to property and threatens people's lives. To minimize the risks, the government often builds dykes and provides early warnings. People should also prepare emergency kits and follow evacuation orders to stay safe during these difficult times.

1.He asked the villagers how often earthquakes occurred in that region.

2. They told me I could find a wide range of beauty products in their store.

1. I think robot can’t replace the role of teachers in edictation.

2. People will still send letters to each other in 2050.