помогите! срочно надо. пожалуйста. упражнение 13

1 Have you seen Bob today? When did you see him?
2 Have you already sent a letter? When did you take a letter to the post office?
3 Have you already bought a present? When did you go to the shop?
4 Have you already been to the canteen ? When did you have a break?
5 Have you already listened to the news on the radio? When was the news broadcast ?
6 Have you already passed the exam? When did you take it?
7 Has the British delegation already arrived? When did it arrive?
8 Have you seen this film? Yes, I have seen it many times.
9 Have they already been to the exhibition? When did you go to the exhibition?
10 I have got up very early today. When did you get up?
11 Has the meeting already started? It started half an hour ago.
12 It was long, long time. I have known about it for a long time .