Gramatyka angielska: is, are, they ćwiczenie

Wybierz is, are lub they, aby uzupełnić następujące zdania w języku angielskim.
1.Their names Peter and Lynn. 're from Australia.
2.Mr and Mrs Palmer in Room 393 - 're in Room 393.
3.' you from Canada?' 'No, 're from United States.'
4.We happy with our hotel: it's very cold, and it's expensive.
5.Eva and I Czech - 're from Prague.
6.Buses expensive in my city: they're very cheap.
7.Cordoba and Mendoza big cities in Argentina.
8.'Is your hotel nice?' 'Yes, we very happy with it.'
9.Ferraris very expensive cars.
10.Warsaw in Poland.