Past Simple, Past perfect Simple or Continuous

Choose the correct tense.

 1. We   for about half an hour when we suddenly that London was in the other direction.

 2. Brian and Teresa   each other for ten years before they to get married

 3. Walt Disney   cartoons for nearly 40 years before he in 1966.

 4. Although the rock band U2   occasionally before small audiences in the late 70s, they a major hit until the 80s.

 5. It   heavily for over an hour before we the city.