Nine in ten high school students say there are significant differences in their attitude toward chatting on line, compared with _________ of their parents. 

 —What should we do since we can’t make a compromise after lengthy talks.— ____ you apologize and take back what you’ve said _____ it is all over between us.

—There is still a copy of the book in the library.Will you go and borrow______?—No,I’d rather buy___in the bookstore.

--What do you think of the price of these computers?--They are at least equal in price to, if not cheaper than, ____at the other companies.

When you are done with the book, just give it to Lucy or Helen or ________.