Question

6. We are leaving Wednesday
or not it rains. (if, whether, though)
7. Pay attention to your work
you will not make mistakes. (so that, unless, or)
8. The musicians delivered a rousing performance
they had rehearsed often. (though, as, once)
9. She's honest
everyone trusts her. (if, so, when)
10.
Write this down
you forget. (or, when, lest)​

Answer 1

Answer:

6. We are leaving on Wednesday whether it rains or not.

7. Unless you pay attention to your work, you will make mistakes .

8. The musicians delivered a rousing performance  as

they had rehearsed often.

9. She's honest  so everyone trusts her.

10.  Write this down  or you forget.

Not sure if it's 100% correct, but I'd write it this way