1) 1 c 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 have never been riding
5 how long have you had your washing machine?
6 we have just come back to Switzerland in our holiday
3) 1 c 2 b 3 b 4 a 5 b