13. at twelve o'clock the workers were loading the trucks. 14. by three o'clock the workers had loaded the trucks. 15. we send our daughter to rest in the south every year. 16. they will show this film on tv. 17. they are building a new concert-hall in our street. 18. they have made a number of important experiments in this laboratory. 19. livingstone explored central africa in the 19th century. 20. by the middle of autumn we had planted all the trees. 21. they will stage this play at the beginning of next season. 22. they have forgotten the story. 23. has anybody explained the rules of the game to you? 24. they haven' tbrought back my skates.

sofiyakoroleva3    1   10.05.2019 16:29    1