Нужно добавить нужные слова к эти предложениям friend is very serious

Все верно. Молодец!

London is the biggest city in the UK. There are lots of interesting places to see and every year 29 million people visit it.
Очень интересное задание.)

Sterlitamak is located in Bashkortostan. The city is located on the territory of the former baselinearray 1782 Sterlitamak appeared the first official city emblem of the city. In Sterlitamak 17 libraries аnd 5 stadiums.

Students go to school 6 day a week