Look at the word map and try to add some words according to the word groups.​

the mariinsky palace was built by emperor nikolay i for his daughter maria as a gift to her wedding with the duke maksimilian lejhtenbergsky. maksimilian was eugenie dе bogarne's son who was napoleon's stepson. wedding was on 5th december in 1838. the place for this palace was chosen opposite the isaakievsky cathedral, on the bank of the ekaterina channel. before there was tchernyshev's house there. the emperor wanted to build a palace which would differ from others. this palace should become the standard of comfort of that time. the builders used modern technical decisions and applied the modern building materials.

1.i was having a stroll when i saw a car accident 2. when   dad   entered the room   mother was singing а lullaby. 3. she sat down on а chair while he was painting her portrait. 4. when   we / сотеd   from the party   he was listening to   one of his records.

у глаголов в прошедшем времени окончания ed

1) мы знаем, что он работает над проблемами в области космической связи.(его работа связана с проблемами).

2) если вы сделаете даже малейшую ошибку в компьютерном языке, разговор ломается и вы должны идти в начало.( наверное, имеется ввиду, ошибка в алгоритме, программа рушится и надо начинать сначала? )

3) читальный зал библиотеки конгресса - это огромная коллекция справочников.