2) A: Have Lucy and Mary done archery?
B: No, they haven't.
3) A: Have James and Lucy flown in a helicopter?
B: Yes, they have.
4)A: Has Mary flown in a helicopter?
B: No, she hasn't.
5)A: Have Lucy and Mary tried scuba diving?
B: Yes, they have.
6)A: Have James tried scuba diving?
B: No, he hasn't.