Peterson used to work in a remote mountain village school, which is only on foot.
The new regulations will be of great _____ to us all.
Various _____ of electric fans are now on display in the shop windows.
E-mail is a valuable _____ for college students at any level.
Lin Fang won first prize in the English contest and her efforts at last _____ .
People _____ a long queue to buy the ticket for the concert.