Respuestas

1. A lot of the money has been given away to charity. (present perfect)
2. it was published in more than 20 countries. (past simple)
3. April 2000 it was proposed that Microsoft should be divided into two companies. (past simple)
4. It is situated in a suburb of Seattle. (present simple)
5. Bill Gates was born the same year Albert Einstein died. (past simple)
6. The first version of Windows was introduced a year later (past simple)