Guest: May I take my bag onto board? .Clerk: __________________.
A. My pleasure.
B. You are welcome.
C. Sure.
D. Certain.
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Guest: What cannot be taken onto the plane? Clerk:__________.
A. Mobile phone
B. Lighters
Coins
D. Computers
Wait a moment. Let me ______if your name is on the guest list.
A. sure
B. certain
C. check
D. examine
You need to go through _____check at the airport.
A. health
B. security
C. body
D. job
Lighters and knives are ______ to be taken on board.
A. prohibited
B. allowed
C. prevented
D. asked