Jack has been working hard these days．It's obvious that there is ________he is eager for but didn't mention to us．
A．anything B．something C．nothing D．everything
With the on－going campaign of banning cigarette，the number of people who have given up smoking________．
A．is increasing B．increased
C．has increased D．will increase
The video，Gangnam Style，is becoming the first video________ more than one billion views．
A．got B．getting C．to get D．gets
The problem is so complex that I'm afraid it will take me several hours to________．
A．figure out B．set out
C．break out D．put out
The newlylearnt words will be impressed on us only if they are ________used in everyday communication．
A．gradually B．accurately
C．familiarly D．frequently
The car's________ has improved a lot since a new engine has been applied to it．
A．character B．performance
C．appearance D．attraction
