The average price of commercial houses in our city has reduced by _____ 30 percent ,so we can buy one at _____ low price .
A．the; the B．the; / C．/; a D．/; the
They no longer have to ______ large numbers of temporary workers to do the harvesting.
A．take on B．hire on C．work on D．carry on
But the unpleasant feeling of coldness disappeared at the _______ of his students pouring out of their classroom to give him a warm, wordless welcome.
A．sight B．scene C．view D．sign
A terrible earthquake struck Wenchuan, Sichuan Province on May 12th,_____more than 60,000 deaths.
A．caused B．having caused
C．to have caused D．causing
Take care! There is a nail______of the chair.
A．sticking out B．putting out
C．standing out D．giving out
As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
A．do they B．don’t they
C．don’t you D．isn’t it
