【用戶】小彥子老師
【年級】高二上
【評論內容】The company is in discussions with several countries to _______ a trial for the potential vaccine.該公司正在與幾個國家進行討論,以 _______ 對潛在疫苗進行試驗。 (A) conceal隱藏(B) conduct辦理(C) confront面對(D) condemn譴責