20.4 Закончите предложения, используя for или since.

1. (Helen is in Ireland – she arrived there three days ago) He has been in Ireland **for three days**. 2. (Jack is here – he arrived on Tuesday) Jack has been here **since Tuesday**. 3. (It's raining – it started an hour ago) It's been raining **for an hour**. 4. (I know Sue – I first met her in 2008) I've known Sue **since 2008**. 5. (Claire and Matt are married – they got married six months ago) Claire and Matt have been married **for six months**. 6. (Laura is studying medicine at university – she started three years ago) Laura has been studying medicine at university **for three years**. 7. (David plays the piano – he started when he was seven years old) David has played the piano **since he was seven years old**.