4 Complete the sentences with the missing relative pronouns. Sometimes there is more than one answer.

1 I will never forget the town ___ we had our motorcycle accident.
2 Did you talk to Marty about the book ___ the teacher asked us to read?
3 A: Do you know the woman ___ is smiling at us?
B: Yes, that's my mum.
4 That's the boy ___ found the wallet.
5 The young man ___ lives next door is a police officer.
6 This is the place ___ I first met your father.​