河南成教 / 河南理工大学
正确率：100%
33[单选题]
Imagine how many times restaurants and merchants had to change their posted prices during the _____ 1970s, when prices almost doubled.
A.inflationary
B. extraordinary
C.deflationary
D.very
Imagine how many times restaurants and merchants had to change their posted prices during the _____ 1970s, when prices almost doubled.
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