Passengers can go to the( ) to check in for the flight.

单选题

Passengers can go to the( ) to check in for the flight.

答案解析

单选题

Passengers to San Francisco by Flight CA 783, please go through( ).

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单选题

Passengers，if you haven’t got a boarding card and a baggage check，please go to the( ) to go through the check-in procedures first.

答案解析

单选题

___ ill, I can‘t go to school today.

答案解析

单选题

We need to involve at least 20 people on this project,____it can’t go ahead.

答案解析