The duties of a policeman are _____ than ____ .
When changing lanes, a driver should use his turning signal to let other drivers know _________ .
China has been pushing the reform of public hospitals ______ all its citizens.
Everyone in the village is very friendly. It doesn’t matter ___ you have lived there for a short or a long time.
The new law states that people _ drive after drinking alcohol.
When ____for his views about his teaching job, Philip said he found it very interesting and rewarding.