50 All patrols should______with a planning and briefing session for key participants to ensure that
everyone knows what to expect.
(A) comment
(B) commend
(C) command
(D) commence
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統計: A(11), B(24), C(38), D(41), E(0) #2782566
統計: A(11), B(24), C(38), D(41), E(0) #2782566