单项选择题
M: May I see Dr. Smith, please W: I’m sorry. He has gone to Shanghai on business. He will be back next Friday.
A. Next Wednesday. B. Next Thursday. C. Next Monday. D. Next Friday.
A. This month. B. After Christmas. C. Next month. D. Next year.
A. About 100 meters. B. About 300 meters. C. About 200 meters. D. About 400 meters.