Clauses 1 Join the sentences with the words given in brackets. In which sentences can we omit the relative pronoun/adverb?

1 New Year’s Eve is a day of celebration. Lots of people have parties. (when)

2 Amy is talking to a man. He’s her travel agent. (that)

3 The girl’s passport was stolen. She had to go to the police. (whose)

4 You reserved a seat. It’s by the window. (which)

5 I don’t know the reason. Darren insists on travelling by boat. (why)

6 This is the local craft shop. I bought all my souvenirs here. (where)

1 New Year’s Eve is a day of celebration when lots of people have parties. (Relative pronoun "when" cannot be omitted)
2 Amy is talking to a man that is her travel agent. (Relative pronoun "that" can be omitted)
3 The girl whose passport was stolen had to go to the police. (Relative pronoun "whose" cannot be omitted)
4 You reserved a seat which is by the window. (Relative pronoun "which" can be omitted)
5 I don’t know the reason why Darren insists on travelling by boat. (Relative pronoun "why" cannot be omitted)
6 This is the local craft shop where I bought all my souvenirs. (Relative adverb "where" cannot be omitted)