－How did you find those days.
－The days________we spent together on the farm are not easy________．
| A．that；to forget | B．when；to be forgotten | C．when；to forget | D．that；to be forgotten |
The airline has a booklet _____ will tell you most of the important information to Europe.
| A．in which | B．about which | C．/ | D．that |
Students can easily fall behind in their studies ____ they don’t manage their spare time carefully.
| A．though | B．if | C．since | D．until |
He warmly congratulated them on _____ they had achieved in science and technology.
| A．that | B．where | C．what | D．which |
_____ 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 |