1) 1 с
2 b
3 b
4 c
5 a
2) 1 Have you ever been to a rock concert?
2 Gillian has never played table tennis
3 Thomas has just bought a new car
4 I've never been riding
5 How long have you had your washing machine?
6 We've just come back from our holidays in Switzerland
3) 1 c
2 b
3 b
4 a