Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
| A．what | B．how | C．which | D．where |
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 |
How________ you expect to get something in return when you never willingly lend a hand to others?
| A．shall | B．can | C．should | D．dare |