11. This was an educational and _____ speech to remind us of the importance of environment preservation.
(A) castrating
(B) stimulating
(C) urinating
(D) berating
(E) discriminating
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統計: A(8), B(86), C(1), D(8), E(3) #2349756
統計: A(8), B(86), C(1), D(8), E(3) #2349756