Happy birthday， Tom.— _______.

Three fourths of the people in the country _____ farmers. But three fourths of the land ____ polluted.

ou get a ticket— No, ______, but there wasn’t any left.

______, we should sleep at sleep at least 8 hours a day, but in practice we sleep less than that.

I have been living in the United States for twenty years, but seldom _____ so lonely as now．