Answer:
1.est revenu
2. n'ai pas retenu
3.est devenue
4. il a maintenu
5. sont venus
6.sont devenus
7.n'ai pas venu
8. a tené
je n'ai pas acheté de chocolat
I'am from Switzerland, so i can speak french and german. I can help you, ask me
..... .... .... ..... .... ....
Someone that speaks French.
Explanation: