複選題
21.Some patrol cars in our precinct have _______ for use in high-speed chases.
(A) modifications
(B) adjustments
(C) alterations
(D) fixations
(E) completions
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統計: A(293), B(282), C(242), D(97), E(54) #3234487
統計: A(293), B(282), C(242), D(97), E(54) #3234487