1- a situation when you waited for a bus or a train 2- a challenging profession you know about

Part 3: Details discussion: 
 
Different types of home:
Q. What kinds of home are most popular in your country? Why is this? 
In India, mostly the concrete made homes are popular among the ordinary 
citizens. The concrete made homes have gained popularity for several reasons. 
The first and the most important thing is that they are durable than any other 
types of homes. Once you have made a home with concrete, you can reside 
there for years. Usually, the homes made with concrete require less take care 
or repairing and last longer than the other homes made with tin sheet or 
woods. Besides, higher storied buildings could be built with concrete which is 
impossible with the other materials. Moreover, the homes are economic and 
the raw materials are available everywhere. So, most of the Indians prefers to 
make homes with concrete.