Choose the correct tense in each sentence.

1. By the time Claire retired, she ... there for 20 years.

2. Before I filled in the application form, I ... them to ask for more information.

3. It was the first time John ... on a computer.

4. The boss phoned before I ... the letter and asked me to come in.

5. Mr Turner warked as a chef for a while and then ... to apply for a job as a fireman.