阿摩線上測驗
52 The temple is unique in that the burning of ______ is banned in the interest of the environment.
(A) diesel oil
(B) essential oil
(C) incense
(D) polymers
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統計： A(15), B(14), C(27), D(10), E(0) #2654298
統計： A(15), B(14), C(27), D(10), E(0) #2654298
