—I’m sorry I stepped on your foot; it was an accident.—It wasn’t! You did it ______________ .
I looked under _____bed and found ______book I lost last week.
— It is unwise for some people to drive and talk on a cell phone. —_______. It’s very dangerous.
A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
Upon into the blue sky ______ when we passed by its nest.
Hardly could he ____________ this amount of work in such a short time.