Союз / Conjunction - Choose the correct variant:

1. I do not want to be dusturbed, so do not call me … it is something very important.
if
unless
when
although

2. You might not remember the name of the company, so write it down … you forget it.
when
unless
in case
if

3. Maciek is in his final year at school. He still does not know what he is going to do … he leaves.
in case
unless
when
if

4. I hope I will be able to come to your birthday party this evening but I will let you know … I can not.
if
unless
although
when

5. … I played well, I lost the game.
in case
although
when
if

6. Please report to reception … you arrive at the hostel.
although
unless
when
in case

7. I will try to be on time tomorrow but do not worry … I am late.
when
if
although
unless

8. What would you do … you lost your wallet.
if
when
in case
unless

9. Do not throw that purse away. … you do not want it, I will take it.
in case
unless
although
if