问题
单项选择题
The （）of this recipe (烹饪法) was made public one year after it was put into the market.
A.formula
B.form
C.flavor
D.frown
答案
参考答案：A
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The （）of this recipe (烹饪法) was made public one year after it was put into the market.
A.formula
B.form
C.flavor
D.frown
参考答案：A