ThefollowingwordsofthebasicwordstockdenotethemostcommonthingsandphenomenaoftheworldaroundusEXCEPT______.

In grammatical context, the meaning of a word may be influenced by the ______in which it occurs.

Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.

Perseverance is a kind of quality and that is _______ it takes to do anything well.

We cannot leave this tough job to a person ________.