【原创】Shortly after the accident, two___________ police were sent to the spot to keep order.
| A．dozens of | B．dozens |
| C．dozen of | D．dozen |
－Personally，I believe I can do it well on my own.
－________Selfconfidence is the first secret of success.
| A．It's up to you. | B．Take it easy. |
| C．Let' s get going. | D．I'm with you on that. |
I've had a cookie，but you'd better give me________．I want to taste again.
| A．other | B．another |
| C．others | D．the other |
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．put out | B．set out |
| C．break out | D．figure out |
George once told me that he would visit our house，but，for various reasons，he________so far.
| A．didn't | B．hasn't |
| C．hadn't | D．wouldn't |