—Do you know __ ___?— Sorry, I don’t. But I saw her just now.
With the help of his friends, he changed a lot. Maybe that’s the ____ of friendship.
—What can we do to________ bird flu from spreading?—Try not to buy or eat chickens that have not been checked.A. prevent B. cause C. discover
We can buy all kinds of books in this bookstore________ they’re good and cheap.
In China it is a custom to give kids lucky money_______ during the Spring Festival.
—Would you please see the film Iron Man 3 with me tonight, Kate?—I’d love to, but I’ve________ Linda’s invitation to dinner.