If our marketing plan succeeds, we _________ the sales by thirty percent next year.
All the neighbours admire this family ____ parents are treating their child like a friend.
He drove slowly on the way home until he reached the highway, _____ the speed limit was 60 miles per hour.
There is hardly an environment on earth _____ some species of animals or other have not adapted successfully.
I like this jacket better than that one, but it costs almost three times______.
It was hard for him to learn English in a family, in which _____ of the parents spoke the language.