The Chinese government has been in close contact with the authorities of HKSAR in dealing with the accident________ more than thirty people were killed .
| A．where | B．when | C．which | D．why |
–Who should be responsible for the accident?
-The boss, not the workers. They just carried out the order .
| A．as told | B．as are told | C．as telling | D．as they told |
He was busy writing a story, only once in a while to smoke a cigarette.
| A．to stop | B．stopping | C．to have stopped | D．having stopped |
Distinguished guests and friends, welcome to our school. the ceremony of the 50th Anniversary this morning are our alumni（校友） from home and abroad.
| A．Attend | B．To attend | C．Attending | D．Having attended |
I like getting up very early in summer. The morning air is so good .
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
The wet weather will continue tomorrow, when a cold front to arrive.
| A．is expected | B．is expecting | C．expects | D．will be expected |