Please capitalize where necessary: in the early morning it will be cloudy, but mainly dry. before noon variable clouds with isolated rain showers will dominate. the evening will bring clouds with light rain.
A: In the early morning it will be cloudy, but mainly dry. Before noon variable clouds with isolated rain showers will dominate. The evening will bring clouds with light rain.

Please capitalize where necessary: check rates and availability for ciutadella park apartments. then proceed to booking.
A: Check rates and availability for Ciutadella Park Apartments. Then proceed to booking.

Please capitalize where necessary: mb: it's a good thing you didn't go out with him, darling.
A: MB: It's a good thing you didn't go out with him, darling.

Please capitalize where necessary: the writer presents a truthful, comprehensive presentation of his material - with no ulterior motives.
A:
The writer presents a truthful, comprehensive presentation of his material - with no ulterior motives.