1. There are four seasons in a year in her country.

=> How many seasons are there in a year in her country? 
2.The rain seasons is usually hot and wet.

=> What is the weather usually like in the rain seasons? 
3. Her favorite season is autumn.

=> What is her favorite season? 
4. He likes summer because he can go camping with his friends.

=> Why does he like summer? 
5. They often go swimming in summer.

=> When do they often go swimming?