Tom has been in the factory _________he left school.
| A．when | B．since | C．as soon as | D．whether |
The quarrel ________ to the fight started from their disbelief in each other.
| A．led | B．to lead |
| C．leading | D．has led |
With Hurricane Sandy ________ the US east coast, Obama had to cancel Wednesday's campaign events in order to focus on the rescue and response efforts for Sandy.
| A．approach | B．approaching |
| C．approached | D．being approached |
The meeting which is reported ________ this month has been put off till the end of next month.
| A．being held | B．to hold |
| C．to be held | D．holding |
Ang Lee's new film Life of Pi is based on a fantasy adventure novel by Yann Martel ________ in 2001.
| A．was published | B．having published |
| C．published | D．to be published |
Some people try to knock me down, only ________ me more determined to do things better.
| A．having made | B．make |
| C．to make | D．making |