1. "How can I make a gift from an eggshell?" she wondered
-> She wondered how to make a gift from an eggshell.
2. "What should I wear at Dung's wedding party?" May asked her mother.
-> May asked her mother what to wear at Dung's wedding party.
3. "Who should I call for help" he asked me.
-> He didn't know who to call for help.
4. "Where should I hang this poster?" Minh asked her friends
-> Minh asked her friends where to hang that poster.
5. "Should we call a doctor now?" he asked.
-> He didn't decide whether to call a doctor then.
6. "What should we do to cheer him up" they wondered.
-> They wondered what to do to cheer him up.
7. "When should I start the course?" the student asked his teacher.
-> The student asked his teacher when to start the course.
8. I don't know what should I say when I meet her.
-> I don't know what to say when I meet her.
9. He can't decide how should he make a surprising meeting.
-> He can't decide how to make a surprising meeting.
10. "Where can I buy this dictionary?" Peter asked.
-> Peter didn't know where to buy that dictionary.
11. "Should I tell him the truth?" she asked herself.
-> She wondered whether to tell him the truth.
12. They can't decide who should go first.
-> They can't decide who to go first.