2. 职称英语
  3. With the FAA planning to roll out the concept within the next few weeks, air-con

With the FAA planning to roll out the concept within the next few weeks, air-con

游客2023-12-26  39
问题 With the FAA planning to roll out the concept within the next few weeks, air-controllers are already______the alarm.
选项 A、pounding
B、sounding
C、knocking
D、voicing
答案 B
解析
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