位置:首页 > 题库频道 > 招考类 > 军队文职考试 > 英语 > 英语专业习题011

Doctors around the world are preparing ________ a possible outbreak of bird flu because few current vaccines will guard against.

发布时间:2020-11-13

A.against

B.with

C.beyond

D.regardless of

试卷相关题目

返回顶部