Fill in the words in the correct form.
1. Oleg Menshikov ____ (star) in this film.
2. This cartoon turned out to be very ______ (success).
3. You shouldn't believe her _____ (promise), she's cunning.
4. The leading _____ (act) on the stage.
5. At last the actor _____ (appear) on the stage.
6. He must take better (treat) or he'll be worse.
7. The doctor must be very careful and ______ (prevent) this disease.
8. _____ (condition) to the cold helps stay fit.
ПОМОГИТЕ, ПЛИЗЗЗЗ​

1) star

2) successful

3) primise

4)actor

5)appeared

6)treater

7) prevent

8)conditions