In the reading-room, we found Winifred ______at a desk, with her attention ______on a novel.
| A．sitting; fixing | B．seating; fixed |
| C．sitting; fixed | D．seated; fixing |
_____ of concrete and steel, the Petronas Towers in Kuala Lampu could provide a better chance of surviving than did the World Trade Centre buildings.
| A．Building | B．Built | C．To built | D．Having built |
Would you consider lying to a good friend to avoid ____ your friend’s feelings？If so, what kinds of things would you lie about?
| A．hurting | B．to hurt | C．being hurt | D．hurt |
It is not until recently ______ the scientists have found proof of there being water on Mars.
| A．when | B．that | C．how | D．what |
______ our horizons of thinking, but it also saves us time and energy.
| A．Not only does the Internet expand | B．Not only expands the Internet |
| C．Not only the Internet expands | D．Not only the Internet does expand |
An excellent way to help memory is to connect information with pictures, which ______ as a memory-link method.
| A．considers | B．is considering | C．is considered | D．Considered |