单项选择题
A. the auctioneer knocks the buyer down B. the auctioneer knocks the rostrum down C. the goods are knocked down on to the table D. the auctioneer bangs the table with a hammer
A. double their number every year B. lose a lot of their babies C. move from place to place constantly D. fight and kill a lot of themselves
A. What time B. May I have your name C. It seems like you D. I’m glad E. How about F. May I help you G. Thanks for calling H. Would you like to