The young men walked _____ the forest and came to a big river at last. [ ]
_____ are you leaving for Shanghai?—”In two days.”[ ]
The students like to go ________ a trip________ spring.
Billy: I’ve been fixing the computer for over three hours, but it still doesn’t work. Nana: Why don’t you take a rest and try ? Maybe you’ll do better then.
E-mail me ________ Lucy @ sina. com or call me ________ 55888301.[ ]