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
单项选择题 In the geography class，the teacher explained wind and water might cause soil（）
单项选择题 Having lost his job and his family, Jerry felt himself（）by anger and sadness.
单项选择题 The country has（）too many wars in the past few decades；its people are longing for peace so much.
