The world is changing rapidly and sometimes we find it almost impossible to ________ the advances in science and technology.
There is no ________ thinking more about the matter. Take it easy.
It's reported that by the end of this week the stock exchange________ by about 10%.
Careful surveys have indicated that audience ________ teachers and students be more likely to take seats ________ directed.
—He got his first book published. It turned out to be a bestseller. —When was _____? —_____ was in 2000 when he was still in college.
—There is still a copy of the book in the library. Wall you go and bottow ? —No, I’d rather buy in the bookstore.