Here are the suggested answers for each of the questions based on the context provided:

1. **16**. The cooperation between Asian countries **B. comes away** many opportunities for young people to have many opportunities to access new cultures, traditions, and trends.

2. **17**. People in Laos, Cambodia, Thailand, and Myanmar follow traditions such as offering rice to Buddhist monks to show their **C. respect** and receiving wishes for good luck and health from them.

3. **18**. The Vietnamese government has issued a new economic policy for economic development. People still have not received incentives due to many difficulties in procedures and **B. However**.

4. **19**. My mom is used to **B. to get** up early in the morning to prepare for our breakfast.

Let me know if you need any further assistance!