South Africa president Nelson Mandela has passed away ____December 5th,2013___the age of 95.
| A．on, in | B．in,at | C．on,at | D．at,in |
—It’s reported that many people were hurt in Kunming Terrorist Attacks on March 1st ,2014.
— _______ bad news!
| A．What | B．How | C．What a | D．How a |
When they look back on the past few years, many people wonder ______.
| A．where time has gone | B．where has time gone |
| C．where time will go | D．where will time go |
The driver was very happy that his car ______ very well in this car-washing centre.
| A．cleans | B．cleaned | C．was cleaned | D．is cleaned |
— I didn’t know you were friends with Mr. Smith.
— We ______ each other for6 years.
| A．knew | B．are known | C．have known | D．will know |