Помогите пожалуйста. Нужно задать вопрос к предложному дополнению:
I am looking for my textbook/ She never smiles at strangers/ This book is about wild animals/ This novel is written by a famous writer/ I am looking forward to my birthday.

Спасибо большое)

What are you looking for? / Who does she never smile at? / What is this book about? / Who is this novel written by? / What are looking forward to?