1) Max was standing at the door. 2) Anna and Alice were discussing the new film. 3) Mark was learning a poem by heart. 4) Helen was reading a text book. 5) Two girls were writing something in their notebooks. 6) Oliver and Tim were making fun of John. 7)Alex was looking for a pen in his bag. В данном случае используется время Past continuous. Для его образования нужно поставить вс глагол to be в время: was ( для I, she, he) и were ( для you, we, they) и после причастие (Paticiple I) смыслового глагола, которое образуется путём добавления окончания -ing к основе. В примерах two girls, Oliver and Tim, Anna and Alice эквивалентом является местоимение they ( поэтому используем were) , Алекс - , Max, Mark - he, поэтому используем was.
Moscow is the biggest city of Russia and its capital. The city is situated on the Moskva River and was found more than 800 years ago. Nowadays, Moscow is one of the most beautiful cities in the world. It houses many attractive parks and squares, great architectural wonders and countless places of interest. Special attention is always put to the city center, as there are the most famous sights. Among them, the outstanding Kremlin and the Red Square, the Bolshoi and the Maly Theaters, Saint Basil's CathedrIn the very heart of the capital one can find the Historical Museum and the Armoury chamber. Both these museums can tell more about Russian history than any other place. One of the newest and most famous religious sights in Moscow is The Cathedral of Christ the Saviour. It’s situated on the bank of the Moskva River and is known as the tallest Orthodox church in the world. The view of Christ the Saviour’s Cathedral strikes imagination with its grandeur and magnificence. Other than that, Moscow has a great number of famous parks, squares, theaters, monuments, streets and concert halls. Undoubtedly, Moscow is a very special city. al, the Historical Museum, the Armoury Chamber and many others.