7. Fire fighters need to wear _____ before going into a burning house, so smoke won’t
get into their nose and throat.
(A) belts
(B) gloves
(C) jackets
(D) masks
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統計: A(18), B(34), C(22), D(466), E(0) #2333570
統計: A(18), B(34), C(22), D(466), E(0) #2333570