阿摩線上測驗
7. Coffee is a multi-billion dollar industry that supports the economies of several tropical countries. Roughly 100 million farmers _____ it for their livelihoods.
(A) depend on
(B) deepen on
(C) depend in
(D) deepen in
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統計： A(145), B(3), C(2), D(0), E(0) #3456233
統計： A(145), B(3), C(2), D(0), E(0) #3456233
