Ответ:
1 Coldwell Sports Centre is near my house, and I go there three times a week.
I go to__ Coldwell Sports Centre , which is near my house, three times a week.
2 Mackenzie Green is my best friend, and her family is American.
_ Mackenzie Green , whose family is American, is my best friend.
3 The job is in Manchester, and my brother has applied for it.
My brother has applied for__ the job which is in Manchester._
4 Elon Musk knows a lot about business. He started his first company when he was a student.
Elon Musk, who_ started his first company when he was a student,_ knows a lot about business.
5 The film is very funny, and it’s on at the Cineplus Cinema.
The film, which is on at the Cineplus Cinema, is very funny.
Объяснение: