A lion at _______ is really a great threat to the citizens.
The good thing about children is that they _______ very easily to new environments.
It took ______ building supplies to construct these energy-saving houses. It took brains, too.
Over the past decades, sea ice _____ in the Arctic as a result of global warming.
The medicine works more effectively ______ you drink some hot water after taking it.
There is a great deal of evidencethat music activities engage different parts of the brain.