Problem: Add spaces: ...washeardtopraythatshouldGoddecidetotakeoneofhischildren,hecouldbestspareIsaac.

Spaces added: ... was heard to pray that should God decide to take one of his children, he could best spare Isaac.
This text is missing some spaces, please add them: 15Butthatonthegoodgroundarethey,whichinanhonestandgoodheart,havingheardtheword,keepit,andbringforthfruitwithpatience.
15 But that on the good ground are they, which in an honest and good heart, having heard the word, keep it, and bring forth fruit with patience.
input question: Fix spacing: IfyouknowthenameofwrongDLLlikeSentinel.v3.5Client.dll,chooseFreedownload--savingmoney.

output answer: If you know the name of wrong DLL like Sentinel.v3.5Client.dll, choose Free download--saving money.
Problem: TheOxfordChairwithitshighandelegantlyswungbackisalsopartofanallinclusivedesignforSt.Catherine'sCollege,whichthemulti-talentedJacobsenalsodesigned.
What's a sentence that uses these characters?
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The Oxford Chair with its high and elegantly swung back is also part of an all inclusive design for St. Catherine's College, which the multi-talented Jacobsen also designed.
Add spaces: ConvertSpeed,Kilometrepersecond

Answer: Convert Speed, Kilometre per second
This text is missing some spaces, please add them: Hisbestmathematicalworkwasdonebeforehiswarserviceandwehavereferredtosomeofitabove.
His best mathematical work was done before his war service and we have referred to some of it above.