Everyone has a responsibility to save _____ water, if future generations are to enjoy a similar standard of living to _____ we enjoy now.
Tom is the only one of the students who ____ going to swim this afternoon.
Many a man ____ the novel.
More than 60% of the students ____ the countryside.
It is I who ____ going to attend the meeting tomorrow.
His family ____ a big one. Now the family ____ watching TV.