单项选择题
A:Are you Edward Green? B:（）
A. Excellent， thank you. B. Thank you. C. No， thank you. D. Yes.
单项选择题 We agreed（）in front of the building this afternoon.
单项选择题 The discussion has been（）until Monday.
单项选择题 Could you（）the appointment（）next Monday?
单项选择题 The board room can（）fifty people.
单项选择题 No credit will be offered（）you place an order for more than 40.000 units.
