All those second-hand goods are sold at before.
A．30% as lower price as B．as 30% low price as
C．30% as low a price as D．30% lower price than
It was in the small house was destroyed by the flood he spent his childhood.
A．which; that B．that; where C．which; which D．that; which
The weather of this year is not so good as of last year.
A．one B．the one C．that D．those
Every means , but none proved .
A．have tried; a success B．have been tried; successful
C．has tried; to be successful D．has been tried; successful
It’s quite honor to be chairman of the conference.
A．///; the B．an ; /// C．a ; /// D．the; the
After decades of effort, the city is still trying to _____ how to stop smoking in public places.
A．try out B．let out C．figure out D．run out
