Write D or ND to indicate whether the clause is defining or non-defining. 1 The bus, which arrived late, was full. ND 2 The bus which they sent didn't have enough seats. D 3 The house which we wanted to buy was too expensive. 4 The house, which we wanted to buy, was too expensive. 5 I have two brothers who are working as architects at the moment. 6 I have two brothers, who are working as architects at the moment. 7 I never met the doctor, who lived next door for five years. 8 Did I ever tell you about my uncle, who left school when he was 15? 9 I didn't agree with the man who said we should cancel the trip. 10 She's one of those people who will argue about anything.