— Do you know something about Christopher Columbus?— He’s an Italian Navigator (航海家) who __________ America in 1492.
We are going to Beijing. Can you _______________when the train will leave ?
He is__________ outgoing student from _________ university in America.
— Could you tell me ____ ? — Certainly. In half an hour.
Success will belong to those ___ never say “impossible”.
It is said that ____ young people may lose the abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week.