阿摩線上測驗
21. _____ the increasing price for drugs, western chemists are experimenting with herbs used for many centuries in Asian medical practice.
(A) They confront with
(B) That they confront with
(C) The confrontation with
(D) Confronted with
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統計： A(5), B(7), C(2), D(37), E(0) #3848043
統計： A(5), B(7), C(2), D(37), E(0) #3848043
