Professor White has written some short stories, but he is _____ for his plays.
You have discussed for an hour! Have you decided ________?
--- Your shirt feels soft. Is it ________ silk?--- Yes. It’s ________ Hangzhou.
I ___________my new bike for a week, my father _________ it for me last week.
Three fourths of the people in the country _____ farmers. But three fourths of the land ____ polluted.
--- Must I stay here with you?--- No, you ________. You may go home, but you ________go to the net bar.