10. If you hear or learn something on the_____ you hear it or learn it in casual conversation with other
people.
(A) ivy vine
(B) melon vine
(C) grapevine
(D) pumpkin vine
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統計: A(14), B(8), C(120), D(12), E(0) #923638
統計: A(14), B(8), C(120), D(12), E(0) #923638