Объяснение:
1) we have already read this book
2) they've seen the accident..
3) Has Lilian done her homework?
4) Eric has lived in London sinse 2004
5) Rose has lived in France for 10 years
6) has Elliott bought..
7) you have cleaned..
8) hellen has ever visited..
9) nina has watched..
10) The dog has eaten..
11) Marc has ever flown
12)have you ever danced
13) she has already forgotten
14) my grandparents have lived ...for..
15) children have learned..
16) Susan has watered..
17) all her life my aunt has driven
