40. گزینه صحیح "c) which" است. جمله میشود: "The book **which** you want isn’t available now."
41. گزینه صحیح "c) whom" است. جمله میشود: "She was the person **whom** everyone regarded as trustworthy."
43. گزینه صحیح "c) which" است. جمله میشود: "No, my brother is writing the letter **which** I will send to my father tomorrow."
