The young man insisted that he＿＿＿＿＿nothing wrong and＿＿＿free.
| A．did； set | B．had done； should be set |
| C．do； be set | D．had done； must be set |
–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 |
The wet weather will continue tomorrow, when a cold front to arrive.
| A．is expected | B．is expecting | C．expects | D．will be expected |
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 |
My parents in Hong Kong. They were born there and have never lived anywhere else.
| A．live | B．lived | C．were living | D．will live |