A mong the following words, “ ______ ” does NOT have inflectional affixes.

WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?

Ittookafewsecondsforhereyesto________tothedarkness.

The professor worked for 7 hours at a ________. 

When a reader comes across the word “ home” in his reading, the word may remind him of his “ family, friends, warmth, safety, etc. ” In this sense, the word “ home” conveys ______.