Among the following idioms（ ）is an idiom adverbial in nature.
A.flesh and blood B.up in the air C.as poor as a church mouse D.tooth and nail正确答案D
Among the following idioms（ ）is an idiom adverbial in nature.
A.flesh and blood B.up in the air C.as poor as a church mouse D.tooth and nail正确答案D
