1) - Their house is now yellow! - Yes, they (have painted it) ... . 2) - He knows everything about Moscow. - I think he does. He (has been) ... there many times. 3) - John, your car looks so clean! It should be! I (have washed it) ... . 4) - Your grandparents are tired. Yes, they (have come) back from the shops. 5) - Does Harry know about it? - Yes, I (have given) ... him a call. 6) - Is the book interesting? - I don't know yet. I have just (begun) ... reading it. 7) - Why is Jason in hospital? - He (has fallen) ... off his bike. 8) - Roy knows nothing about our meeting. - Sorry. I (have not spoken) ... to him yet.