__________ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life

I happened to be on the newly-built highway when that brand-new car went by, followed by a police car. They _____ at least 150 kilometers an hour.

.________ others whenever you can and you will make the world a nicer place tolive in.

She was __ after the long walk

The police recommended parents __________their children under 12 to ride to school for safety.