“fasten seat belt” sign
A. 卫生间有人信号灯
B. 系好安全带指示灯
C. 安全撤离指示灯
D. 安全出口指示灯
感谢您的合作！
A. Thank you for your help!
B. Thanks for your meal!
C. Thank you for your understanding!
D. Thank your for your cooperation!
请您关闭手机。
A. Cloze your phone, please.
B. Please switch off your cell phone.
C. Please turn your cell phone.
D. Please switch on your cell phone.
非常重要。
A. It's very pleasant.
B. It's very late.
C. It's very heavy.
D. It's very urgent.
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