question: they are three-roomed apartments comprising double bedroom, bedroom with three single beds, living-room with kitchen area, bathroom.
Capitalize this past sentence correctly.
A: They are three-roomed apartments comprising double bedroom, bedroom with three single beds, living-room with kitchen area, bathroom.

question: the visa electron card is part of the visa network.
Capitalize this past sentence correctly.
A: The Visa Electron card is part of the Visa network.

question: forecasts look almost the same as on windguru.cz and show up-to 72 hour (3 days) forecasts.
Capitalize this past sentence correctly.
A: Forecasts look almost the same as on windguru.cz and show up-to 72 hour (3 days) forecasts.