1.I have no idea who i should call for help in this situation -->I have no idea........ 2."should i tell her the truth about her misery?" she asked herself -->she wondered........ 3.I'm not sure what i should do to help her overcome her mom's death. -->I'm not sure.........

`1.` I have no idea who to call for help in this situation.

- Wh-questions + to V-inf

`2.`She wordered if she should tell her the truth about her misery

- Câu tường thuật dạng dạng Yes or No questions

- S + wondered/wanted to know/... + if/whether + S + V 

`3`I'm not sure what to do to help her overcome her mom's death.  

- Như câu 1