Have been sent.1. 2. haven't been given.3 уже понятно
Was waiting
Were skiing
Were skating
Were having
1ambitious
2brave
3sensitive
4arrogant
5risk-takers
6agressive
The first of January, the second of March, the third of April, the sixth of September, the eighth of June, the ninth of October, the eleventh of July, the thirteenth of December, the fourteenth of August, the seventeenth of November, the nineteenth of May, the twentieth of February
1. will be published
2. was the telephone invented
3. will be posted
4. Has your composotion been written
5. has been played
6. must be answered
7. was being painted
8. are being discussed
9. have been found
10. could be seen
11. is used
12. had been done