—What's your name? —________
--- 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.
Smoking is bad for your health. You should ______________.