— Dad, would you please buy some strawberries for me? I love them. — I’d like to, but they are not _____ in winter.
____all the inventions have in common is ____they have succeeded.
____you don’t like him is none of my business.
____he will go to work in a mountain village surprises all of us.
_____more countries can use natural energy in the future remains to be seen.
It worried her a bit _____her hair was turning gray.