Răspuns:
1. finish
2.have been waiting
3.had been working, worked
4.had landed
5.had seen
6.climbed, sailed, went
7.will cover
8. had climbed, had sailed, had gone, experienced
9.had never been
10.will finish
11.had already eaten
12.has been trying, has just finished, has not done
13. have you been running
14.will improve
Explicație:
