11 You must remain seated while the fasten-seat-belt signals are______during turbulence.
(A) illustrated
(B) impaired
(C) intensified
(D) illuminated
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統計: A(31), B(15), C(22), D(58), E(0) #3074677
統計: A(31), B(15), C(22), D(58), E(0) #3074677