Răspuns:
I. 1. They threw many rotten tomatoes to show their disgust.
2. Do the scientists search the phenomenons for some missing facts?
3. Grown-ups are sometimes worse behaved than some children.
4. The geese followed the women.
5. The men killed the wolves.
II. 1) Who did he play tennis with yesterday? When did he play tennis with his friends?; What did he do yesterday with his friends?
2) Who has been told to make a presentation in public? Nobody. ; Was anybody been told to make a presentation in public? Did anybody make a presentation in public?
III. 1) looked, lowered; 2) started?; 3) sent, began; 4) am coming, have finished; 5) was, called.
IV. One who learned the language of people is safe from their intrigues.