I think the correct answers are grammar, spelling, pronunciation and vocabulary. These things are the four characteristics of standard English. It refers to whatever form of the English language is accepted as a norm in an English-speaking country.
කුමක්ද තුවාල සිට ඌර් හිස මුහුණ ඇස් කන් අත්, පාද, ශ්වසන පද්ධතියේ, ශරීරය හා ඔබ ආරක්ෂා කිරීමට අමතක නොවනු ඇත?<span>kumakda tuvāla siṭa ūr hisa muhuṇa æs kan at, pāda, śvasana paddhatiyē, śarīraya hā oba ārakṣā kirīmaṭa amataka novanu æta?</span>
Answer:
Carnegie Mellon University is considered one of the best universities for IT. It's in Pennsylvania
Explanation: