37 Test the fire alarms regularly;never ____ them or take out the batteries if an alarm goes off by mistake.
(A) display
(B) discuss
(C) disappoint
(D) disconnect .
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統計: A(53), B(41), C(25), D(230), E(0) #1351487
統計: A(53), B(41), C(25), D(230), E(0) #1351487