Go back home now, Mary. Your parents __________your safety.
and I’ll get the work finished.
— It’s said that dam is under construction. — Yeah. It will take about half a year.
Once harm ______ to the environment, it takes years to have the system recovered.
Staying in a hotel in Shanghai one day costs ____ renting a house in my hometown for a week.
Ted and his friends established a website offering useful information about thunderstorms ______ similar accidents happening.