Travelers had better get their reservations well______ if they want to fly durin

游客2024-11-01  1

问题 Travelers had better get their reservations well______ if they want to fly during the Christmas holidays.

选项 A、in advance
B、in hand
C、in place
D、in case

答案 A

解析 意义为“预先”,B为“工作等在进行中”,C为“在合适的位置”,D为“以防万一”。
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