单项选择题
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
A. because they took place at night B. as a signal for the crowd together C. to limit the time when offers could be made D. to keep the auctioneer warm
A. to occupy the best resting places B. only when it is dark C. to protect their homes from outsiders D. when there is not enough food