根据标的物不同，招标发行可分为荷兰式招标(单一价格中标)和美式招标(多种价格中标)。( )
参考答案：错
— Sorry, Professor Smith. I didn't finish the assignment (作业, 功课) yesterday.
— Oh, you____have done it as yesterday was the deadline (最后期限).
A. must
B. mustn't
C. should
D. shouldn't
精小叶
