Complete these relative clauses using that, who, whom, which, where, why, when: 1. The Committee ... coordinates our actions will be dissolved.
2. We arrived in the city ... I had been born.
3. John woke up at that very moment ... they were leaving.
4. Alice had always wanted to visit Brighton. That was the reason ... we decided to spend our holidays there.
5. We'll ask Dick, ... is the oldest in the family, just to say a few words.
6. She taught piano and had three daughters, about ... she worried very much.

1. The Committee that coordinates our actions will be dissolved.
Explanation: In this sentence, we are describing the Committee. The relative pronoun "that" is used to introduce the relative clause and connects it to the noun "Committee."

2. We arrived in the city where I had been born.
Explanation: In this sentence, we are describing the city. The relative pronoun "where" is used to indicate the place or location where the speaker was born.

3. John woke up at that very moment when they were leaving.
Explanation: In this sentence, we are describing the moment. The relative pronoun "when" is used to indicate the specific time when they were leaving.

4. Alice had always wanted to visit Brighton. That was the reason why we decided to spend our holidays there.
Explanation: In this sentence, we are giving the reason for the speaker's decision to spend their holidays in Brighton. The relative pronoun "why" is used to introduce the reason.

5. We'll ask Dick, who is the oldest in the family, just to say a few words.
Explanation: In this sentence, we are describing Dick. The relative pronoun "who" is used to introduce additional information about a person.

6. She taught piano and had three daughters, about whom she worried very much.
Explanation: In this sentence, we are describing the daughters. The relative pronoun "about whom" is used to provide additional information about the daughters and connects it to the verb "worried." The pronoun "whom" is used because it is the object of the preposition "about."