Ответ:
A 1 has bought
2 has taken
3 haven't driven
4 haven't built
5 has seen
6 have drunk
7 has eaten
8 has caught
9 haven't practised
10 have played
11 hasn't tried
12 haven't watched
B 1 Have you ever eaten snails?
2 Has she ever travelled by plane?
3 Has he ever gone to China?
4 Have they ever played golf?
5 Has Paul ever counted to 1000?
6 Have Paul and Ann ever been to Paris?
7 Has Helen ever read a French magazine?
8 Has Paul ever written an email?
C 1 I've brought a New book
2 They haven't made photocopies of the picture
3 She's been in London for the weekend