October 24, 1860，the Qing government and the Britain signed “the Treaty of Beijing”，__________ put an end to the Second Opium War.
| A．which |
| B．that |
| C．when |
| D．in which |
—Hello. Is Mary there, please?
—I’m sorry, she is not here right now. _______?
| A．What do you want her for | B．What do you want to say |
| C．Can I take a message | D．Can you tell me something |
—How did you find the fashion show?
—_______________.
| A．A friend of mine showed me the way | B．It was fascinating |
| C．The designer invited me | D．By taking a No.11 bus |
In ancient China, a gold dragon on the emperor’s clothes was regarded as a _____ of power and position.
| A．mark | B．sign | C．symbol | D．feature |
This year the price of rice _____ about twenty percent.
| A．was raised | B．has been risen for | C．has risen by | D．has raised to |
Experts are trying to work out a plan to deal with the problems caused by global warming ______ it is too late.
| A．when | B．if | C．before | D．until |