Задание 3:
1) ate
2) took
3) met
4) had
5) went
6) bought
Задание 4:
1) Did you meet a friend last night? - Yes i did.
2) Did you go to town on Saturday? - No, i didn't
3) Did you make a pizza last night? - Yes i did.
4) Did you write an email yesterday? No, i didn't
5) Did you have a coffee at breakfast? - Yes i did.
6) Did you see a film on TV? - Yes i did.