—It cost me 30 yuan to get here.
—Well, it was crazy of you to take a taxi _________ you would come
by bus as well.
| A．unless | B．when |
| C．if | D．Because |
You should look _______ into the matter to get more information about it.
| A．farther | B．far | C．farthest | D．further |
They keys were __________ to our neighbours during our absence.
| A．given out | B．given away | C．given over | D．given up |
–Are you a teacher?
--No, but I ________.
| A．used to | B．was used to | C．used to be | D．used to do |
–You speak very good Chinese.
--Thanks. I _______ it for 4 years before I came to China.
| A．studied | B．study | C．was studying | D．had studied |
The Education Bureau gave a warning to each school without any _____ when the virus of H1N1 hit our city.
| A．delay | B．effort | C．schedule | D．consideration |