17 The workers in the factory ________ a strike to protest against the bad working environment.
(A) laundered
(B) launched
(C) cracked
(D) crushed
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統計: A(25), B(165), C(46), D(33), E(0) #3462116
統計: A(25), B(165), C(46), D(33), E(0) #3462116