Mọi người làm giúp mình phần câu chẻ với ạ

4. She sent her friend a post card. 5. Hoa borrowed some English books from Long. 6. The little boy greeted his grandfather in a strange language. 7. The pedestrian asked the policeman a lot of questions 8. The dog barked at the stranger. 9. My mom is making some cakes for our dinner. ...