Odpowiedź:
ex3
1 Were you given...
2 You can't pay...
3 ... these photos taken?
4 ... is used...
5 ... can't afford to...
6 was been checked...
ex4
1 ... have been sold.
2 ... will be replaced...
3 ... will you repair...
4 Are there cakes...
5 ... hasn't been checked...
6 ... cannot ( can't) be grown...
