Question: although william was extremely good at mathematics and this was the natural subject for him to study at university, he had to also be knowledgeable in latin and greek in order to be accepted onto a degree course.
Answer: --> Although William was extremely good at mathematics and this was the natural subject for him to study at university, he had to also be knowledgeable in Latin and Greek in order to be accepted onto a degree course.

Question: so in that sense, i feel that i only really spent half an hour of my life, says andrei.
Answer: --> So in that sense, I feel that I only really spent half an hour of my life, says Andrei.

Question: how did it happen that these persons were branded as enemies of the people and liquidated?
Answer:
--> How did it happen that these persons were branded as enemies of the people and liquidated?