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It_________five or ten years before the new medicine is tested on human beings．

       A．will take             B．took               C．takes              D．has taken

The air of hills is cooler than___________of plains．

       A．that              B．one                C．those                   D．ones

The 30th Olympic Games，officially_________as“London ㊣2012 Olympic Games”，will take place from July 27 to August 12

       A．know               B．to know            C．known             D．knowing

—How did she lose so much weight as expected？

一_________eating less，she jogged for several miles every day．

　　　 A．In spite of　　　　 　　　　　　　　　　　　　　　　 B．In addition to　　 　　　　　　　　　　　　

　　　 C．Instead of　　　　 　　　　　　　　　　　　　　　　 D．Thanks to

You are sure to know the result，but that’s_______everybody has finished their work．

       A．when                B．why                  C．before               D．until

-Hi，Jack！When did you arrive in Berlin？

-Last weekend．I __________ a different culture since then．

　　　 A．was experiencing　　　　　　　　 　　　　 B．will be experiencing

　　　 C．have been experiencing　　　　　　 　　　　 D．had been experiencing

—How about your job-hunting？

—No luck．Now，I’ve reached the stage________I don’t care what I do．

　　　 A．which　　　　　 B．where　　　　　 C．when　　　　 　　 D．that

The boy________be really annoying at times，but after a while，you’11 get used to him．

       A．must                  B．should              C．shall                     D．can

It’s no surprise she’s leaving the course-she’s never really________．

　　　 A．fitted in　　　　　　　　 　　　　　　　　　　　 B．showed up　　　　　　 　　　　　　

　　　 C．given in D．burnt up

—Dad，can we go to the shop？I want to buy some sweets．

一__________．Can’t you see I’m busy at the moment?

　　　 A．Take it easy　　　　 　　　　　　　　　　　　　　　 B．No problem　　

　　　 C．Forget it　　　　 　　　　　　　　　　　　　　　　　 D．Don’t mention it