Two-stage bidding is often used for large and complex project. ( )
The end of the bidding is called "knocking down" because______.
A.the auctioneer knocks the buyer down
B.the auctioneer knocks the rostrum down
C.the goods are knocked down onto the table
D.the auctioneer bangs the table with a hammer
A.Initiation
B.Bidding
C.Pledging
D.Recruitment
A.won
B.overwhelmed
C.excitement
D.triumphed