1.I am going to eat chicken and beef for dinner.
=> what food are you going to eat for dinner?
2. We are going to visit museum tomorrow.
=> when are you going to visit museum?
3. They had summer vacation in Dalat.
=> where did they have summer vacation?
4. Nam is going to write a letter to his friend.
=> Who is nam going to write a letter to?
5. My father has visited Kuala Lumpur three times.
=> where has your father visited three times ?