1. I haven't listened to their new CD Is it any good?
2. We've been waiting for you over an hour. Where have you been?
3. Have you been to the UK before?
4. I'm afraid we've made plans for this weekend, so we won't be free.
5. Pedro has been having English lessons he was five years old.
6. It's strange that you mention the film Crash. I've been reading about it in the paper.
7. I've heard of a ‘sudoku’. What is it?
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