阿摩線上測驗
1. The Biden administration has already been stepping up ____ with Saudi Arabia on a variety of issues in recent months.
(A) cooperation.
(B) complication.
(C) commencement.
(D) coagulation.
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統計： A(1), B(0), C(0), D(0), E(0) #3450147
統計： A(1), B(0), C(0), D(0), E(0) #3450147
