There was a________look on his face when he met with the________problem.
| A．confusing；confusing | B．confused；confused |
| C．confusing；confused | D．confused；confusing |
Hot _______the night air was, we slept deeply because we were so tired after the long journey.
| A．although | B．as | C．while | D．however |
If you happen to get lost in the wild, you’d better stay ______ you are and wait for help.
| A．why | B．where | C．who | D．what |
（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 |