Before joining the Department of Defense, Mr． Panetta _______ as director of the CIA from February 2009 to June 2011．
| A．would serve | B．served | C．was served | D．had been served |
A new iPad in the market costs about ______ of a second-hand one.
| A．three timesofthe price | B．three times as much as the price |
| C．three times the price | D．three times more than the price |
By the time we arrived at the railway station, the train _________. As a result, we missed the train.
| A．left | B．is leaving | C．had left | D．leaves |
The small mountain village we spent our holiday last month lies in is now part of Hubei.
| A．which; where | B．where; what | C．that; which | D．when; which |
________ our surprise, when the audience saw this film, they all shouted ______ surprise.
| A．In ; in | B．In ; at | C．To ; in | D．To ; at |
Our school was going to send a teacher to Xinjiang . I was the first person _______ to go.
| A．volunteer | B．to volunteer | C．volunteered | D．volunteering |