29 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.
A: (Have you/had) lunch yet?
B: Not yet. I (have been working) in the garden for the past five hours.
A: (Do you/like) bungee jumping?
B: You know, I (have never tried) it but I (am thinking) of trying it this weekend.
32 A: I (have been going) to the gym every day for two months and I (have not lost) any weight yet.
B: I (exercise) every day too but I (am also) on a diet.
33 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.
34 A: Where are the Smiths? B: They (have gone) to Paris for the weekend.