Chuyển câu sang dạng đại từ quan hệ: Max isn't at home yet. That worries me

Chuyển câu sang dạng Đại từ quan hệ:
- Max isn't at home yet. That worries me.
- This is the student. I borrowed his book.
- There we met an old man. He told us that he had seen Nessie.
- The bar in Barcelona is still there. I met my wife in that bar.
- She was greatly influenced by her father. She adored him.