безотлагательно нужна помощь .....

1 A: What are you doing this weekend?
B: Nothing special. I usually visit my grandparents at the weekends but they are leaving for London on Friday.
2 A: Have you had lunch yet?
B: Not yet. I have been working in the garden for the past five hours.
3 A: Do you like bungee jumping?
B: You know, I have never tried it but I am thinking of trying it this weekend. 
4 A: I have been going to the gym every day for two months and I have not lost any weight yet.
В: I exercise every day too but I am also on a diet.
5 A: How long have Jane and Kate been friends?
B: They have known each other for ten years and they have been sharing a flat for the last four years.
6 A: Where are the Smiths?
B: They have gone to Paris for the weekend.