They ______ at the hotel in less than half an hour after their arrival at the ai

游客2024-08-13 18

问题 They ______ at the hotel in less than half an hour after their arrival at the airport.

选项 A、checked out
B、checked on
C、checked up
D、checked in

答案 D

解析 check in在旅馆登记。check out付账后离开。check up检查。check on检查，核对。

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They______atthehotelinlessthanhalfanhouraftertheirarrivalattheai