Răspuns:
Exercitiul 18:
2-A - put
3-B- has started
4-A- finished
5-B -met
6-A- bought
7-B - been
Exercitiul 19:
2-did / 3- went/ 4- bought/ 5-went / 6-was /7- have visited /8- saw/ 9- haven't did / 10- haven't visited/ 11-didn't go / 12-already have taken
Explicație: