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4. A large number of vehicles are now made of plastic________of steel.
(A) part,
(B) insist,
(C) inspired,
(D) inquired,
(E) instead
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統計： A(0), B(0), C(1), D(1), E(1) #2842993
統計： A(0), B(0), C(1), D(1), E(1) #2842993
