Which is correct?

1. I’ll try to be on time, but don’t worry ____ I’m late.
1. if
2. when
2. Don’t throw that bag away. ____ you don’t want it, I’ll have it.
1. If
2. When
3. She still doesn’t know what she’s going to do ____ she leaves school.
1. if
2. when
4. I don’t want to be disturbed, so don’t phone me ____ it’s something important.
1. if
2. unless
5. You might not remember the name of the hotel, so write it down ____ you forget.
1. if
2. in case
6. Take your coat with you and then you can put it on ____ it gets cold later.
1. if
2. in case
7. They always have the television on, ____ nobody is watching it.
1. even though
2. if
8. ____ we played very well, we lost the match.
1. Even
2. Although
9. ____ we’ve known each other a long time, we’re not particularly close friends.
1. Despite
2. Although
10. «When did you leave school?» «____ I was 17.»
1. As
2. When
11. I think Ann will be very pleased ____ she hears the news.
1. as
2. when
12. I like travelling by ship ____ the sea is not rough.
1. as long as
2. unless