—Excuse me, sir. Could you help me?
—Sure ?
A．What is that B．What is it C．What help D．What do you want
Shopping on line will take the place of shopping in stores, won’t it?
A．commonly B．especially C．finally D．regularly
Had I mastered the statistic technique, a large amount of time and, energy .
A．was avid B．had been saved C．will be saved D．would have been saved
It is meeting side effect the new medicine will bring about, although the experts have tried it on about 2,000 patients.
A．that B．what C．whether D．which
Now methods need to be to use the existing water resources, for example, turning sea water into fresh water.
A．developed B．assumed C．abandoned D．purchased
More and more farmers arrive in our city for the money-making jobs the before leaving that Houston.
A．were promised B．have promised C．promise D．have been promised
