It is reported that the United States uses _____ energy as the whole of Europe.
His behavior was _____ we all refused to receive him in our homes.
The museum he paid a visit _____ at the end of the street.
The day will come _____ the people all over the world will get rid of poverty.
He is over sixty, but doesn’t look _____.
Why is it _____ he can’t get along well with his classmates?