Odpowiedź:
ex2
1 leaves
2 to become
3 hasn't seen
4 drove
5 is coming
6 does
7 were
8 have never heard
9 went, met
10 to keep
ex3
1 How old was he when I first met him?
2 How much money did I spend on this book?
3 Where can we have tea today?
4 How often do we visit our grandmother?
5 What is he waiting for?
6 How long have they known each other?
7 What time must we be there?
8 What did she tell us about?
9 How many children are there in the garden?
10 When did she buy this dress?
11 Who don't know much about Poland?