Mr. Green drove slowly on the way home until he reached the high way, ______ the speed limit was 60 miles per hour.
The business of the company was growing so fast that the manager had to _____ more workers.
However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.
China's population is expected to increase to about 1.5 billion in 2040, ______it will start to decline slowly.
Catching _____ sight of their head teacher coming, the students fell into silence all of _____ sudden.
—How do you find the film Captain America: The Winter Soldier? —___________. The film is well worth seeing.