Ques: When spring approaches the evenings begin to get lighter and it is usually then that most people become tired of lectures
Fix the punctuation.
Ans: When spring approaches, the evenings begin to get lighter and it is usually then that most people become tired of lectures.
Ques: At Princeton he was involved in war work examining probabilities of hits in naval warfare
Fix the punctuation.
Ans: At Princeton he was involved in war work examining probabilities of hits in naval warfare.
Ques: For this reason the horn only got limited succes
Fix the punctuation.
Ans: For this reason, the horn only got limited succes.