126. Presenters at the Oakland Trade Convention were reminded that detailed _______ of the schedule would enable the program to end on time.
(A) plan
(B) planning
(C) planner
(D) planned
답이 (B) planning 인데요
왜 (A)plan은 안되나요?
126. Presenters at the Oakland Trade Convention were reminded that detailed _______ of the schedule would enable the program to end on time.
(A) plan
(B) planning
(C) planner
(D) planned
답이 (B) planning 인데요
왜 (A)plan은 안되나요?

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