1000﹣1﹣3﹣5﹣7﹣9﹣…﹣37﹣39=( )
A:600
B:980
C:860
D:880
Work place
He works at a ____ station in New York.
At home
He gets up at six ten every morning.
He runs for ____ an hour.
On the way to work
He ____ to a bus stop.
The bus ride usually takes about fifty ____.
He thinks the bus ride is ____.