Each of the students, hoping to pass the exam, _____the book.
Between the two parts of the concert is a break, _____ the audience can buy ice-cream.
The prize will go to the writer _____ story shows the most imagination.
While ____ in tea with that dealer, Mr. Smith had himself ____.
——Are you going to take part in the speech contest?——____________. It’s too good an opportunity to miss.
_____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.