10. Attention please! The weather is becoming worse, close all dead lights and storm doors, and ______ all loose objects in your cabins.
(A) install
(B) secure
(C) set up
(D) settle down
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統計: A(12), B(183), C(39), D(33), E(0) #3457441
統計: A(12), B(183), C(39), D(33), E(0) #3457441