That gas pipeline project, in July 2002 and in 2005, will be China’s longest gas pipeline in history.
| A．starting; completing | B．started; to be completed |
| C．to start; completed | D．starting; completed |
（2012辽宁卷）Leave your key with your neighbor you lock yourself out one day.
| A． as long as | B． even though | C． in case | D． as if |
（2012江西卷）You can borrow my car you promise not to drive too fast.
| A．unless | B．even if | C．in case | D．as lone as |
It is hard for the Greek government to get over the present difficulties_________ gets more financial support from the European Union.
| A．if | B．unless | C．because | D．since |
He smiled politely ______ Mary apologized for her drunken friends.
| A．as | B．if | C．unless | D．though |
A number of high buildings have arisen _______ there was nothing a year ago but ruins.
| A．when | B．where |
| C．before | D．until |