Please capitalize where necessary: it has become an "animal".
A: It has become an "animal".

Please capitalize where necessary: the elite of the regime maintains a lifestyle of imported luxuries.
A: The elite of the regime maintains a lifestyle of imported luxuries.

Please capitalize where necessary: the weather is fine during the day.
A: The weather is fine during the day.

Please capitalize where necessary: by this time she was thinking that she would like to complete the ph.d. course she had started, but no university within travelling distance offered mathematical logic at doctoral level.
A:
By this time she was thinking that she would like to complete the Ph.D. course she had started, but no university within travelling distance offered mathematical logic at doctoral level.