.I just wonder _____ that makes him so excited.
Jumping out of_____airplane at ten thousand feet is quite_____exciting experience.
The warmth of___sweater will of course be determined by the sort of___wool used.
Paper money was in___use in China when Marco Polo visited the country in___thirteenth century.
—— I’d like_____information about the management of your hotel, please.—— Well, you could have _____ word with the manager. He might be helpful.
Students should be encouraged to use _________ Internet as _________ resource.