5. If everything is on _____ , the construction work can be completed by the end of December as expected.
(A) rule
(B) battle
(C) temple
(D) schedule
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統計: A(33), B(10), C(40), D(982), E(0) #2818021
統計: A(33), B(10), C(40), D(982), E(0) #2818021