單項選擇題The ()of this recipe (烹飪法) was made public one year after it was put into the market.

A.formula
B.form
C.flavor
D.frown


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1.單項選擇題In the geography class,the teacher explained wind and water might cause soil()

A.pollution
B.excellence
C.explosion
D.erosion

2.單項選擇題Having lost his job and his family, Jerry felt himself()by anger and sadness.

A.experienced
B.overcome
C.experience
D.overcame