The government is trying to do something to ______ the employment rate so that more people have jobs.
At the opening________of the school, our headmaster gave a short speech.
Sarah pretended to be cheerful,________nothing about the argument.
More highways have been built in China,________it much easier for people to travel from one place to another.
Our country will try to make greater progress in improving people's living conditions,________lowincome families.
The modern woman threw away ________ clothes and bought many modern clothes.