1 You couldn't join us last week, which was a pity
2 Tom failed his final exam, which was a pity
3 She offered to let us use her car, which was very kind of her
4 Joe didn't seem to like literature very much, but he won the first prize in the writing contest, which surprised everybody
5 I drank some coffee late last night, which made it difficult to sleep
6 You are under 18 years old, which means you can't vote in the election
7 They said they had nothing to do with hte robbery, which was perfectly true
8 My neighbor often play music late at night, which was annoying