The seat number is shown __________________.
A. on the safety belt
B. on the tray table
C. on the seatback
D. along the edge of the overhead compartment
行李架
A. overhead bin
B. overhead compartment
C. overhead locker
D. all the above
--- Thank you!--- _______________________.
A. Don't thank me.
B. Never mind.
C. Thank you, too.
D. You are welcome.
--- How are you today?--- _____________________.
A. I am twenty years old.
B. Fine, thank you.
C. You are so kind.
D. I am on 16D.
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