My father _________Shanghai with my grandparents.––Really _______ will they come back

_____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise. [ ]

___ is known to all, China is a developing country, belonging to the third world.

Before starting the race, he gave me a ________ look.

These seats are __________ for the elderly and disabled.