A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
To test eggs, _____ them in a bowl of water: if they float they’re bad, if they sink they’re good.
whatever great achievements the future may have in store for China, ______ is likely that many of them will be born in Zhongguancun.
When you’re learning to drive, _____ a good teacher makes a big difference.
In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.
“What place is it?” “Haven’t you found out we _____ back where we ______?”