—There is still a copy of the book in the library. Wall you go and borrow____ ? —No, I’d rather buy ____in the bookstore.
He warmly congratulated them on _____ they had achieved in science and technology.
_____ of concrete and steel, the Petronas Towers in Kuala Lampu could provide a better chance of surviving than did the World Trade Centre buildings.
Would you consider lying to a good friend to avoid ____ your friend’s feelings?If so, what kinds of things would you lie about?
It is not until recently ______ the scientists have found proof of there being water on Mars.
______ our horizons of thinking, but it also saves us time and energy.