Помогите решить заданием даю 40 баллов и ещё задание номер 18 и 19

спасибо большое

вам вы мне очень помогли

17)1C2A3B4D=================================18)1. Moscow is one of the biggest cities in Europe.2. Vladimir is one of the oldest town in Russia.3. St.Peterburg is famous for its canals and bridges.4. Kazan wasn't named a Russian capital.5. I would like to visit Moscow. it is the capital of our country and this city have many interesting and historical places.==========================================================19)1. No, she isn't. She feeding the birds.2. No, he isn't. He reeding a newspaper.3. No, they aren't. They are sitting on the ground.4. No, she isn't. She is eating an ice cream.5. No, they aren't. They are swimming in the lake.6. No, he isn't. He is taking photos.