1. In 1987 the children started to collect information for the

1. In 1987 the children started to collect information for the school museum. The children-------------information for school museum since-----------. 2. The museum started working in 1999. The ---------museum -------- for ------------years. 3. In 1998 the children gave the first concerts for veterans. The children------------concerts for veterans since--------------. 4. Since 1987 children have given veterans gifts and flowers. The children --------------for----------------- . 5. The children have helped to clean the lakes for eight years. ---------------- since ---------------