“Hope for the best and prepare for the worst.” is a proverb, ______ life is beautiful and full of frustrations as well
Over the past decades, sea ice _____ in the Arctic as a result of global warming.
After some time in the dark cave, our eyes slowly _____ the dark.
Seldom out time to watch TV on Sunday.
Steven Hawking’s conclusion about the Black Hole is a little , but it has been accepted by most of the world.
_____ matters most in learning English is enough practice.