Large quantities of solid fuel________ consumed every day and too much carbon dioxide is sent into the air,which in turn________ the going up of temperature.
What the science teacher does and says _________ of great importance to college students.
The worker and poet _____ to the party the other day.
Between two rows of trees _____ the teaching building.
The number of people invited ______ fifty, but a number of them ____ absent for different reasons.
You, who ______ his good friend, should help him get out of trouble.