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  3. The flight attendants’ most important function is assisting passengers in the...

The flight attendants’ most important function is assisting passengers in the...

admin2020-12-24  58
问题 The flight attendants’ most important function is assisting passengers in the_______ of emergency.
选项 (A)happening                (B)event                (C)opening                (D)affair
答案B
解析
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