Although he made a lot of effort at work, he was not promoted

1. Although he made a lot of effort at work, he was not promoted.
-> Despite....
2. You can't look the work up because you don't have a dicyionary.
-> If you....
3. The picture is invaluable. It was damgaged during the war.
-> The picture ....
4. She hasn't visited her former school for five years.
-> The last time....