In that country, guests usually feel that they are not highly ________ if the invitation to a dinner party is given only three or four days before the party date．

After his father died, the boy was _______ by his devoted mother, who attached importance to his education. 

Columbus is known for the great discovery ____ a new land-America.

Mr. Henry, manager of the company, who would take _______ place of Mr. Johnson, liked to have everything in _______ place.   

Students should by all means______ their studies though there are a lot of entertainments inviting them.