Giúp em với ạ 🥺🙏 Em đang cần gấp lắm ạ 🥺🥺

`1.` Peter, who has never been abroad, is studying French and German

`-` who `-` thay thế cho chủ ngữ chỉ người

`2.` You've all met Michael Wood who is visiting us for a couple of days

`3.` We are moving to Manchester which is in the North-West

`-` which `-` thay thế cho danh từ chỉ vật

`4.` I'll be staying with Adrian whose brother is one of my closest friends

`-` whose `-` thay thế cho TTSH