Join the sentences using who, which, whose, where

Join the sentences using who, which, whose, where
----- Nội dung dịch tự động từ ảnh -----
1. Alex speaks Spanish fluently. He's a friend of mine.
2. It is an expensive restaurant. Lots of celebrities eat there.
3. Susan is our new classmate. Her mother is a Maths teacher.
4. The Chinese Acrobatic Theatre is travelling around the world. You shouldn't miss it!
5. You met this girl at my house. She's a talented painter.
6. They stayed at a holiday resort last summer. It was really luxurious.