b Correct one mistake in each sentence. 1 This is the book what I was telling you about. 2 There's a new machine at the gym I think you would really like it. 3 We're travelling to Dubai, where I've always wanted to visit. 4 I was worrying about my luggage, that l'd forgotten to weigh before we left. 5 Chris, who his father owns the company, always works really hard. 6 I've finally had to replace my old car, I've had since I passed my test.