问题
选择题
The woman sold the eggs ________ seven dollars and they were sold________half price.
A．with；at
B．for；at
C．at；in
D．by；on
答案
答案：B
第一空用for“换取”，意为“这位妇女的鸡蛋卖了七美元”；第二空用at，at...price“以……的价格”。故选B。
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