Because of strict security measures, passengers are requested to _______three hours before the flight.
A.
talk with
B.
check in
C.
speak to
D.
check into
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参考答案:
举一反三
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【单选题】Choose the anser that is closest in meaning to the underlined word or phrase in the sentence. Although such a statement may seem self-centered, it's actually quite insightful .
【单选题】Choose the answer that is closest meaning to the underlined word or phrase in the sentence. Although such a statement may seem self-centered, it's actually quite insightful .