-- Daniel, your books are in a terrible mess on your desk.
-- Really sorry. I’ll _________ right now.
A:put them away
B:put them down
C:put them on
D:put it out
如图为哈尔滨和广州的年气温曲线图.读图,回答下题.
总部位于江苏徐州(约34°N,117°E)的某企业承接了甲国(下图)价值7.446亿美元的工程机械订单。据此完成下列问题。