On August 22, 2011, Libyan rebels have advanced into the capital, __________ the situation may tend to get worse.
China has been pushing the reform of public hospitals____ all its citizens.(2012.福建)
This training program can give you a lift at work, ____ increase your income by 40% .(2012 .四川)
We used to see each other ____ but haven't heard from him since last year.(2012 .辽宁)
More than thirty students competed____ each other in the composition competition. But they could only compete____three medals.
Red____happiness, and people would surely use it on festival days.