— Is this Mr. White’s office, Mary? — Yes, _____.
| A．that’s all right | B．it doesn’t matter | C．after you | D．please yourself |
After school we went to the reading-room to do some reading, only to be told that it __________.
| A．was decorated |
| B．had decorated |
| C．had been decorating |
| D．was being decorated |
With more than 200 million views worldwide, the latest video Gangnam Style __________ very popular since it __________.
| A．has become; was uploaded |
| B．became; uploaded |
| C．became; was uploaded |
| D．has become; is uploaded |
When residents learned on Wednesday that only one of the 13 workers trapped underground __________，they burst into tears.
| A．was survived |
| B．would survive |
| C．has survived |
| D．had survived |
Why did so many people stand by while the woman __________ in broad daylight?
| A．is being robbed |
| B．had been robbed |
| C．was being robbed |
| D．has been robbed |
We are confident that the environment __________ by our further efforts to reduce pollution.
| A．had been improved |
| B．will be improved |
| C．is improved |
| D．was improved |