2. What has Mary sold? (This is because her old car is bold in the sentence, which means that the question would be asking <em>what</em> was sold by Mary.)
3. Who is writing an email? (This is because Harriet is bold, which means that the question would be asking <em>who</em> was writing the email.)
4. Who like this book? (Joseph is bold, which means that the question is asking <em>who</em> likes the book.)
5. What does Joseph like? (this book is bold, meaning that the question is asking about <em>what </em>Joseph likes.)
6. What did Maya lose? (her ring is in bold, meaning that the question would be asking <em>what</em> Maya lost.)