10. It took a lot of _______ for him to admit his mistake in front of his teacher.
(A) delivery
(B) courage
(C) justice
(D) surface
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統計: A(5), B(25), C(12), D(5), E(0) #3814435
統計: A(5), B(25), C(12), D(5), E(0) #3814435