阿摩線上測驗
14. Most people will benefit from consuming more fiber, and good _______ of fiber include whole grains, fruits, vegetables, and peas.
(A) origins
(B) properties
(C) sources
(D) resources
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統計： A(5), B(3), C(7), D(4), E(0) #3356760
統計： A(5), B(3), C(7), D(4), E(0) #3356760
