Заполните пропуски в предложениях. Используйте время Past Simple active/passive or Present Perfect active / passive. 1) Ancient Troy ( to find) by an archeologist H. Schliemann. 2) All the windows ( not open) since autumn. 3) The first jeans ( to make) by Oscar Levi Strauss in the USA in 1850. 4) The building (to build) since the 20th century. 5) St. Petersburg (to found) by Peter the Great.