单项选择题
A.to some way B.in the way C.to some extent D.in the extent
They walked（）the woods.A.upB.downC.throughD.over
单项选择题They walked（）the woods.
A.up B.down C.through D.over
It was well known that Thomas Edison（）the electric lamp...
单项选择题It was well known that Thomas Edison（）the electric lamp.
A.invented B.discovered C.found D.developed
After stopping for a few minutes, the bus moved（）to its...
单项选择题After stopping for a few minutes, the bus moved（）to its next stop.
A.forward B.off C.with D.on
