10. Then you usually lie there just ____ the ceiling, thinking about everything that could go wrong.
Rather than ______ the plane all the way, they decided _______ to Vancouver.
He has no money nor friends here. That’s why he ______ sleep in the street.
It was said ____that was _____ he succeeded in running his business.
The farmers are only allowed to cut ______ trees and cut them _______ for firewood once a year.
Doctors say _____ good diet is of ______ great benefit to our health.