The wonderful time they had been looking forward ____ at last.
In our class there are 46 students, _____ half wear glasses.
All the photographs in this book, _______ stated otherwise, date from the 1950s.
The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.
The police still haven’t found the lost child, but they’re doing all they .
They are broadening the bridge to ________ the flow of traffic.