Ajuda em Ingles please??
Replace the symbol * by the (past Participle)verbs forms from the box:
1)A long,difficult conflict has * between the Indian and the European cultures since 1492
2)The indians have * on the American continent for a very long time
3)Scientists have * bones of people who lived two million years ago.
4)Exploitation,invasion and wars have * the extinction of many tribes.
5)Many Indian tribes have * extinct since 1492