Respuesta :
1) We have just eaten this cake.
2) I have never been to Russia.
3) Have you ever heard about your grand-grandmother?
4) They have already done their homework.
5) She hasn't cleaned her room yet.
2) I have never been to Russia.
3) Have you ever heard about your grand-grandmother?
4) They have already done their homework.
5) She hasn't cleaned her room yet.