About fifty percent of the students in our class ______ from poor families.
One-third of the population here ______ increased its income in the past three years.
Bread and butter ______ their daily food.
Great quantities of fish ______ in this river in the past few years.
Why she didn't come today _______ quite clear.
When and where to build the school __________ yet.
What we need ________ bicycles.
What he says and what he does ____________.
He as well as his brothers _______ font of sports.
Five times six ______ thirty.