— Watch out! The petrol __. — Oh, my God. We have to find a service station soon enough.

American fathers ______ more than twice the amount of time with their children than they used to in years past, due to a sweeping new trend called "unemployment". 

Nowadays，more Chinese provinces________education reforms that will allow children of migrant workers to sit college entrance exams locally.

Beijing ______ some strong winds, with dust blowing at 20 meters per second in the capital these days. 

This is the second time that you ______ the Summer Palace.