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[主观题]
He ______ the gun beneath a huge bag before entering the checkpoint of the airport.A.contr
He ______ the gun beneath a huge bag before entering the checkpoint of the airport.
A.contracted
B.collected
C.concealed
D.constituted
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He ______ the gun beneath a huge bag before entering the checkpoint of the airport.
A.contracted
B.collected
C.concealed
D.constituted
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