A —— Passport B —— Airline. C —— Flight D —— Conveyor belt E —— Check-in counter F —— Loading area G —— Claim cheek H —— Boarding pass I —— Security check J —— Airhostess K —— Board L —— Take off M —— Check in baggage N —— Claim the baggage O —— Land P —— Delayed Q —— Airline agent 53. ( ) 安全检查 ( ) 拖运行李
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A —— Passport B —— Airline. C —— Flight D —— Conveyor belt E —— Check-in counter F —— Loading area G —— Claim cheek H —— Boarding pass I —— Security check J —— Airhostess K —— Board L —— Take off M —— Check in baggage N —— Claim the baggage O —— Land P —— Delayed Q —— Airline agent ( ) 办理登机手续柜台 ( ) 护照
No reader is allowed (take)______any reference book out of the reading-room.
Mary (change) ______ a lot since I last saw her.