Give answers to these questions.
1. Are double-deckers in London red?
2. Is Scotland in the north of Great Britain?
3.Is the Baikal the deepest lake in Russia?
4. Is the weather sunny in London all the time?

1) Yes, the double-deckers in London are red.2) Yes, Scotland is in the North of Great Britain.3) Yes, Baikal is the deepest lake in Russia.4) No, the weather in London isn't sunny all the time.