1 . All those second-hand goods are sold at                  before．

A．30％as lower price as	B．30％as low a price as
C．as 30％low price as	D．30％lower price than

2 . She put it down on the l______ (低的；矮的) table. (根据中英文提示单词拼写)

3 . The boss paid so little for a whole year’s labor of the workers, which resulted in the workers’ _______________________. （grumble 抱怨工资太低）