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
We haven’t discussed yet ______ we are going to place our new furniture.
A．that B．which C．what D．where
I think this bike is a little better than that one, but the shopkeeper charged me almost_______ for it.
A．as many twice B．twice as many
C．twice as much D．as much twice
There is little chance that we will succeed in changing the law. ______, it is important that we should have a try.
A．Therefore B．Otherwise C．However D．Thus
