elearn site

1. I don′t know the way to the supermarket.
Could ? 

2. They don′t know the age of the president.
How ? 

3. I am looking for the way to the nearest post office.
Can you ? 

4. They don′t know the time to travel to Da Nang by train.
How ? 

5. We are going to go to Vung Tau beach for 10 days.
We are going .